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Finding the Fourth Proportional to 531,068.01, 732,864.56 and 289,352.33

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Solution

The fourth proportional to 531,068.01, 732,864.56 and 289,352.33 is: 399,301.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,068.01 : 732,864.56 = 289,352.33 : x
  2. Step 2: Convert to fraction form
    531,068.01/732,864.56 = 289,352.33/x
  3. Step 3: Cross multiply
    531,068.01x = 732,864.56 × 289,352.33
  4. Step 4: Simplify right side
    531,068.01x = 212,056,064,346.10
  5. Step 5: Solve for x
    x = 212,056,064,346.10/531,068.01
  6. Step 6: Final answer
    x = 399,301.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.