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Finding the Fourth Proportional to 714,109.65, 984,574.65 and 522,790.89

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Solution

The fourth proportional to 714,109.65, 984,574.65 and 522,790.89 is: 720,794.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,109.65 : 984,574.65 = 522,790.89 : x
  2. Step 2: Convert to fraction form
    714,109.65/984,574.65 = 522,790.89/x
  3. Step 3: Cross multiply
    714,109.65x = 984,574.65 × 522,790.89
  4. Step 4: Simplify right side
    714,109.65x = 514,726,657,544.94
  5. Step 5: Solve for x
    x = 514,726,657,544.94/714,109.65
  6. Step 6: Final answer
    x = 720,794.99

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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.