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Finding the Fourth Proportional to 653,391.66, 901,725.28 and 363,038.24

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Solution

The fourth proportional to 653,391.66, 901,725.28 and 363,038.24 is: 501,017.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,391.66 : 901,725.28 = 363,038.24 : x
  2. Step 2: Convert to fraction form
    653,391.66/901,725.28 = 363,038.24/x
  3. Step 3: Cross multiply
    653,391.66x = 901,725.28 × 363,038.24
  4. Step 4: Simplify right side
    653,391.66x = 327,360,758,614.71
  5. Step 5: Solve for x
    x = 327,360,758,614.71/653,391.66
  6. Step 6: Final answer
    x = 501,017.66

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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.