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Finding the Fourth Proportional to 531,840.60, 798,196.10 and 527,693.40

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Solution

The fourth proportional to 531,840.60, 798,196.10 and 527,693.40 is: 791,971.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,840.60 : 798,196.10 = 527,693.40 : x
  2. Step 2: Convert to fraction form
    531,840.60/798,196.10 = 527,693.40/x
  3. Step 3: Cross multiply
    531,840.60x = 798,196.10 × 527,693.40
  4. Step 4: Simplify right side
    531,840.60x = 421,202,813,875.74
  5. Step 5: Solve for x
    x = 421,202,813,875.74/531,840.60
  6. Step 6: Final answer
    x = 791,971.91

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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.