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Finding the Fourth Proportional to 524,390.98, 723,248.44 and 358,917.03

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Solution

The fourth proportional to 524,390.98, 723,248.44 and 358,917.03 is: 495,024.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,390.98 : 723,248.44 = 358,917.03 : x
  2. Step 2: Convert to fraction form
    524,390.98/723,248.44 = 358,917.03/x
  3. Step 3: Cross multiply
    524,390.98x = 723,248.44 × 358,917.03
  4. Step 4: Simplify right side
    524,390.98x = 259,586,176,626.11
  5. Step 5: Solve for x
    x = 259,586,176,626.11/524,390.98
  6. Step 6: Final answer
    x = 495,024.11

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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.