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Finding the Fourth Proportional to 584,654.40, 877,637.70 and 452,122.20

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Solution

The fourth proportional to 584,654.40, 877,637.70 and 452,122.20 is: 678,690.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,654.40 : 877,637.70 = 452,122.20 : x
  2. Step 2: Convert to fraction form
    584,654.40/877,637.70 = 452,122.20/x
  3. Step 3: Cross multiply
    584,654.40x = 877,637.70 × 452,122.20
  4. Step 4: Simplify right side
    584,654.40x = 396,799,487,726.94
  5. Step 5: Solve for x
    x = 396,799,487,726.94/584,654.40
  6. Step 6: Final answer
    x = 678,690.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.