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Finding the Fourth Proportional to 358,365.29, 537,070.19 and 133,499.30

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Solution

The fourth proportional to 358,365.29, 537,070.19 and 133,499.30 is: 200,070.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,365.29 : 537,070.19 = 133,499.30 : x
  2. Step 2: Convert to fraction form
    358,365.29/537,070.19 = 133,499.30/x
  3. Step 3: Cross multiply
    358,365.29x = 537,070.19 × 133,499.30
  4. Step 4: Simplify right side
    358,365.29x = 71,698,491,063.02
  5. Step 5: Solve for x
    x = 71,698,491,063.02/358,365.29
  6. Step 6: Final answer
    x = 200,070.97

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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.