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Finding the Fourth Proportional to 887,657.70, 1,330,708.95 and 532,812.90

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Solution

The fourth proportional to 887,657.70, 1,330,708.95 and 532,812.90 is: 798,752.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,657.70 : 1,330,708.95 = 532,812.90 : x
  2. Step 2: Convert to fraction form
    887,657.70/1,330,708.95 = 532,812.90/x
  3. Step 3: Cross multiply
    887,657.70x = 1,330,708.95 × 532,812.90
  4. Step 4: Simplify right side
    887,657.70x = 709,018,894,705.46
  5. Step 5: Solve for x
    x = 709,018,894,705.46/887,657.70
  6. Step 6: Final answer
    x = 798,752.60

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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.