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Finding the Fourth Proportional to 466,973.20, 700,459.80 and 425,638.90

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Solution

The fourth proportional to 466,973.20, 700,459.80 and 425,638.90 is: 638,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,973.20 : 700,459.80 = 425,638.90 : x
  2. Step 2: Convert to fraction form
    466,973.20/700,459.80 = 425,638.90/x
  3. Step 3: Cross multiply
    466,973.20x = 700,459.80 × 425,638.90
  4. Step 4: Simplify right side
    466,973.20x = 298,142,938,766.22
  5. Step 5: Solve for x
    x = 298,142,938,766.22/466,973.20
  6. Step 6: Final answer
    x = 638,458.35

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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.