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Finding the Fourth Proportional to 898,424.40, 1,347,636.60 and 366,327.30

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Solution

The fourth proportional to 898,424.40, 1,347,636.60 and 366,327.30 is: 549,490.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,424.40 : 1,347,636.60 = 366,327.30 : x
  2. Step 2: Convert to fraction form
    898,424.40/1,347,636.60 = 366,327.30/x
  3. Step 3: Cross multiply
    898,424.40x = 1,347,636.60 × 366,327.30
  4. Step 4: Simplify right side
    898,424.40x = 493,676,077,059.18
  5. Step 5: Solve for x
    x = 493,676,077,059.18/898,424.40
  6. Step 6: Final answer
    x = 549,490.95

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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.