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Finding the Fourth Proportional to 354,322.17, 531,374.25 and 101,534.89

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Solution

The fourth proportional to 354,322.17, 531,374.25 and 101,534.89 is: 152,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,322.17 : 531,374.25 = 101,534.89 : x
  2. Step 2: Convert to fraction form
    354,322.17/531,374.25 = 101,534.89/x
  3. Step 3: Cross multiply
    354,322.17x = 531,374.25 × 101,534.89
  4. Step 4: Simplify right side
    354,322.17x = 53,953,027,280.15
  5. Step 5: Solve for x
    x = 53,953,027,280.15/354,322.17
  6. Step 6: Final answer
    x = 152,271.10

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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.