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Finding the Fourth Proportional to 598,948.40, 898,422.60 and 243,779.60

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Solution

The fourth proportional to 598,948.40, 898,422.60 and 243,779.60 is: 365,669.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,948.40 : 898,422.60 = 243,779.60 : x
  2. Step 2: Convert to fraction form
    598,948.40/898,422.60 = 243,779.60/x
  3. Step 3: Cross multiply
    598,948.40x = 898,422.60 × 243,779.60
  4. Step 4: Simplify right side
    598,948.40x = 219,017,102,058.96
  5. Step 5: Solve for x
    x = 219,017,102,058.96/598,948.40
  6. Step 6: Final answer
    x = 365,669.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.