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Finding the Fourth Proportional to 282,397.50, 423,648.45 and 92,868.30

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Solution

The fourth proportional to 282,397.50, 423,648.45 and 92,868.30 is: 139,319.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,397.50 : 423,648.45 = 92,868.30 : x
  2. Step 2: Convert to fraction form
    282,397.50/423,648.45 = 92,868.30/x
  3. Step 3: Cross multiply
    282,397.50x = 423,648.45 × 92,868.30
  4. Step 4: Simplify right side
    282,397.50x = 39,343,511,349.14
  5. Step 5: Solve for x
    x = 39,343,511,349.14/282,397.50
  6. Step 6: Final answer
    x = 139,319.62

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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.