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Finding the Fourth Proportional to 577,510.80, 865,684.64 and 240,737.90

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Solution

The fourth proportional to 577,510.80, 865,684.64 and 240,737.90 is: 360,864.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,510.80 : 865,684.64 = 240,737.90 : x
  2. Step 2: Convert to fraction form
    577,510.80/865,684.64 = 240,737.90/x
  3. Step 3: Cross multiply
    577,510.80x = 865,684.64 × 240,737.90
  4. Step 4: Simplify right side
    577,510.80x = 208,403,102,295.86
  5. Step 5: Solve for x
    x = 208,403,102,295.86/577,510.80
  6. Step 6: Final answer
    x = 360,864.42

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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.