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Finding the Fourth Proportional to 887,647.70, 1,330,693.95 and 532,802.90

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Solution

The fourth proportional to 887,647.70, 1,330,693.95 and 532,802.90 is: 798,737.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,647.70 : 1,330,693.95 = 532,802.90 : x
  2. Step 2: Convert to fraction form
    887,647.70/1,330,693.95 = 532,802.90/x
  3. Step 3: Cross multiply
    887,647.70x = 1,330,693.95 × 532,802.90
  4. Step 4: Simplify right side
    887,647.70x = 708,997,595,572.46
  5. Step 5: Solve for x
    x = 708,997,595,572.46/887,647.70
  6. Step 6: Final answer
    x = 798,737.60

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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.