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Finding the Fourth Proportional to 531,008.40, 795,200.40 and 352,549.20

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Solution

The fourth proportional to 531,008.40, 795,200.40 and 352,549.20 is: 527,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,008.40 : 795,200.40 = 352,549.20 : x
  2. Step 2: Convert to fraction form
    531,008.40/795,200.40 = 352,549.20/x
  3. Step 3: Cross multiply
    531,008.40x = 795,200.40 × 352,549.20
  4. Step 4: Simplify right side
    531,008.40x = 280,347,264,859.68
  5. Step 5: Solve for x
    x = 280,347,264,859.68/531,008.40
  6. Step 6: Final answer
    x = 527,952.60

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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.