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Finding the Fourth Proportional to 470,061.08, 704,957.70 and 133,079.64

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Solution

The fourth proportional to 470,061.08, 704,957.70 and 133,079.64 is: 199,581.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,061.08 : 704,957.70 = 133,079.64 : x
  2. Step 2: Convert to fraction form
    470,061.08/704,957.70 = 133,079.64/x
  3. Step 3: Cross multiply
    470,061.08x = 704,957.70 × 133,079.64
  4. Step 4: Simplify right side
    470,061.08x = 93,815,516,931.23
  5. Step 5: Solve for x
    x = 93,815,516,931.23/470,061.08
  6. Step 6: Final answer
    x = 199,581.55

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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.