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Finding the Fourth Proportional to 524,079.44, 723,005.52 and 342,476.16

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Solution

The fourth proportional to 524,079.44, 723,005.52 and 342,476.16 is: 472,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,079.44 : 723,005.52 = 342,476.16 : x
  2. Step 2: Convert to fraction form
    524,079.44/723,005.52 = 342,476.16/x
  3. Step 3: Cross multiply
    524,079.44x = 723,005.52 × 342,476.16
  4. Step 4: Simplify right side
    524,079.44x = 247,612,154,148.40
  5. Step 5: Solve for x
    x = 247,612,154,148.40/524,079.44
  6. Step 6: Final answer
    x = 472,470.65

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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.