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Finding the Fourth Proportional to 562,008.96, 839,007.36 and 542,321.28

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Solution

The fourth proportional to 562,008.96, 839,007.36 and 542,321.28 is: 809,616.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,008.96 : 839,007.36 = 542,321.28 : x
  2. Step 2: Convert to fraction form
    562,008.96/839,007.36 = 542,321.28/x
  3. Step 3: Cross multiply
    562,008.96x = 839,007.36 × 542,321.28
  4. Step 4: Simplify right side
    562,008.96x = 455,011,545,404.62
  5. Step 5: Solve for x
    x = 455,011,545,404.62/562,008.96
  6. Step 6: Final answer
    x = 809,616.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.