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Finding the Fourth Proportional to 531,401.60, 798,331.20 and 365,513.60

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Solution

The fourth proportional to 531,401.60, 798,331.20 and 365,513.60 is: 549,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,401.60 : 798,331.20 = 365,513.60 : x
  2. Step 2: Convert to fraction form
    531,401.60/798,331.20 = 365,513.60/x
  3. Step 3: Cross multiply
    531,401.60x = 798,331.20 × 365,513.60
  4. Step 4: Simplify right side
    531,401.60x = 291,800,910,904.32
  5. Step 5: Solve for x
    x = 291,800,910,904.32/531,401.60
  6. Step 6: Final answer
    x = 549,115.60

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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.