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Finding the Fourth Proportional to 671,388.40, 924,751.04 and 516,042.62

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Solution

The fourth proportional to 671,388.40, 924,751.04 and 516,042.62 is: 710,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,388.40 : 924,751.04 = 516,042.62 : x
  2. Step 2: Convert to fraction form
    671,388.40/924,751.04 = 516,042.62/x
  3. Step 3: Cross multiply
    671,388.40x = 924,751.04 × 516,042.62
  4. Step 4: Simplify right side
    671,388.40x = 477,210,951,014.24
  5. Step 5: Solve for x
    x = 477,210,951,014.24/671,388.40
  6. Step 6: Final answer
    x = 710,782.24

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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.