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Finding the Fourth Proportional to 357,928.62, 537,281.96 and 144,843.23

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Solution

The fourth proportional to 357,928.62, 537,281.96 and 144,843.23 is: 217,422.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,928.62 : 537,281.96 = 144,843.23 : x
  2. Step 2: Convert to fraction form
    357,928.62/537,281.96 = 144,843.23/x
  3. Step 3: Cross multiply
    357,928.62x = 537,281.96 × 144,843.23
  4. Step 4: Simplify right side
    357,928.62x = 77,821,655,126.12
  5. Step 5: Solve for x
    x = 77,821,655,126.12/357,928.62
  6. Step 6: Final answer
    x = 217,422.28

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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.