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Finding the Fourth Proportional to 633,868.61, 874,350.02 and 517,750.83

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Solution

The fourth proportional to 633,868.61, 874,350.02 and 517,750.83 is: 714,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,868.61 : 874,350.02 = 517,750.83 : x
  2. Step 2: Convert to fraction form
    633,868.61/874,350.02 = 517,750.83/x
  3. Step 3: Cross multiply
    633,868.61x = 874,350.02 × 517,750.83
  4. Step 4: Simplify right side
    633,868.61x = 452,695,445,976.76
  5. Step 5: Solve for x
    x = 452,695,445,976.76/633,868.61
  6. Step 6: Final answer
    x = 714,178.68

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1.5x scale

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.