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Finding the Fourth Proportional to 284,050.93, 391,989.99 and 156,726.51

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Solution

The fourth proportional to 284,050.93, 391,989.99 and 156,726.51 is: 216,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,050.93 : 391,989.99 = 156,726.51 : x
  2. Step 2: Convert to fraction form
    284,050.93/391,989.99 = 156,726.51/x
  3. Step 3: Cross multiply
    284,050.93x = 391,989.99 × 156,726.51
  4. Step 4: Simplify right side
    284,050.93x = 61,435,223,087.63
  5. Step 5: Solve for x
    x = 61,435,223,087.63/284,050.93
  6. Step 6: Final answer
    x = 216,282.42

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1.5x scale

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.