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Finding the Fourth Proportional to 338,127.68, 507,275.88 and 101,474.72

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Solution

The fourth proportional to 338,127.68, 507,275.88 and 101,474.72 is: 152,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,127.68 : 507,275.88 = 101,474.72 : x
  2. Step 2: Convert to fraction form
    338,127.68/507,275.88 = 101,474.72/x
  3. Step 3: Cross multiply
    338,127.68x = 507,275.88 × 101,474.72
  4. Step 4: Simplify right side
    338,127.68x = 51,475,677,885.75
  5. Step 5: Solve for x
    x = 51,475,677,885.75/338,127.68
  6. Step 6: Final answer
    x = 152,237.40

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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.