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Finding the Fourth Proportional to 358,003.35, 537,238.62 and 133,543.35

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Solution

The fourth proportional to 358,003.35, 537,238.62 and 133,543.35 is: 200,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,003.35 : 537,238.62 = 133,543.35 : x
  2. Step 2: Convert to fraction form
    358,003.35/537,238.62 = 133,543.35/x
  3. Step 3: Cross multiply
    358,003.35x = 537,238.62 × 133,543.35
  4. Step 4: Simplify right side
    358,003.35x = 71,744,645,064.18
  5. Step 5: Solve for x
    x = 71,744,645,064.18/358,003.35
  6. Step 6: Final answer
    x = 200,402.16

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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.