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Finding the Fourth Proportional to 674,529.04, 930,422.04 and 513,030.02

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Solution

The fourth proportional to 674,529.04, 930,422.04 and 513,030.02 is: 707,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,529.04 : 930,422.04 = 513,030.02 : x
  2. Step 2: Convert to fraction form
    674,529.04/930,422.04 = 513,030.02/x
  3. Step 3: Cross multiply
    674,529.04x = 930,422.04 × 513,030.02
  4. Step 4: Simplify right side
    674,529.04x = 477,334,437,789.64
  5. Step 5: Solve for x
    x = 477,334,437,789.64/674,529.04
  6. Step 6: Final answer
    x = 707,655.87

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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.