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Finding the Fourth Proportional to 747,506, 1,031,586.72 and 425,245.52

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Solution

The fourth proportional to 747,506, 1,031,586.72 and 425,245.52 is: 586,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,506 : 1,031,586.72 = 425,245.52 : x
  2. Step 2: Convert to fraction form
    747,506/1,031,586.72 = 425,245.52/x
  3. Step 3: Cross multiply
    747,506x = 1,031,586.72 × 425,245.52
  4. Step 4: Simplify right side
    747,506x = 438,677,631,171.49
  5. Step 5: Solve for x
    x = 438,677,631,171.49/747,506
  6. Step 6: Final answer
    x = 586,855.00

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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.