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Finding the Fourth Proportional to 671,410.02, 924,780.81 and 516,064.23

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Solution

The fourth proportional to 671,410.02, 924,780.81 and 516,064.23 is: 710,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,410.02 : 924,780.81 = 516,064.23 : x
  2. Step 2: Convert to fraction form
    671,410.02/924,780.81 = 516,064.23/x
  3. Step 3: Cross multiply
    671,410.02x = 924,780.81 × 516,064.23
  4. Step 4: Simplify right side
    671,410.02x = 477,246,296,631.43
  5. Step 5: Solve for x
    x = 477,246,296,631.43/671,410.02
  6. Step 6: Final answer
    x = 710,812.00

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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.