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Finding the Fourth Proportional to 328,223.97, 492,335.96 and 103,601.93

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Solution

The fourth proportional to 328,223.97, 492,335.96 and 103,601.93 is: 155,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,223.97 : 492,335.96 = 103,601.93 : x
  2. Step 2: Convert to fraction form
    328,223.97/492,335.96 = 103,601.93/x
  3. Step 3: Cross multiply
    328,223.97x = 492,335.96 × 103,601.93
  4. Step 4: Simplify right side
    328,223.97x = 51,006,952,684.71
  5. Step 5: Solve for x
    x = 51,006,952,684.71/328,223.97
  6. Step 6: Final answer
    x = 155,402.89

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1.5x scale

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.