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Finding the Fourth Proportional to 358,776.73, 537,859.52 and 158,988.21

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Solution

The fourth proportional to 358,776.73, 537,859.52 and 158,988.21 is: 238,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,776.73 : 537,859.52 = 158,988.21 : x
  2. Step 2: Convert to fraction form
    358,776.73/537,859.52 = 158,988.21/x
  3. Step 3: Cross multiply
    358,776.73x = 537,859.52 × 158,988.21
  4. Step 4: Simplify right side
    358,776.73x = 85,513,322,316.26
  5. Step 5: Solve for x
    x = 85,513,322,316.26/358,776.73
  6. Step 6: Final answer
    x = 238,346.90

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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.