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Finding the Fourth Proportional to 569,727.76, 784,424.64 and 501,698.56

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Solution

The fourth proportional to 569,727.76, 784,424.64 and 501,698.56 is: 690,759.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,727.76 : 784,424.64 = 501,698.56 : x
  2. Step 2: Convert to fraction form
    569,727.76/784,424.64 = 501,698.56/x
  3. Step 3: Cross multiply
    569,727.76x = 784,424.64 × 501,698.56
  4. Step 4: Simplify right side
    569,727.76x = 393,544,712,316.52
  5. Step 5: Solve for x
    x = 393,544,712,316.52/569,727.76
  6. Step 6: Final answer
    x = 690,759.24

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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.