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Finding the Fourth Proportional to 531,400.60, 798,329.70 and 365,512.60

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Solution

The fourth proportional to 531,400.60, 798,329.70 and 365,512.60 is: 549,114.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,400.60 : 798,329.70 = 365,512.60 : x
  2. Step 2: Convert to fraction form
    531,400.60/798,329.70 = 365,512.60/x
  3. Step 3: Cross multiply
    531,400.60x = 798,329.70 × 365,512.60
  4. Step 4: Simplify right side
    531,400.60x = 291,799,564,304.22
  5. Step 5: Solve for x
    x = 291,799,564,304.22/531,400.60
  6. Step 6: Final answer
    x = 549,114.10

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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.