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Finding the Fourth Proportional to 282,776.80, 424,154.10 and 95,788.28

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Solution

The fourth proportional to 282,776.80, 424,154.10 and 95,788.28 is: 143,678.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,776.80 : 424,154.10 = 95,788.28 : x
  2. Step 2: Convert to fraction form
    282,776.80/424,154.10 = 95,788.28/x
  3. Step 3: Cross multiply
    282,776.80x = 424,154.10 × 95,788.28
  4. Step 4: Simplify right side
    282,776.80x = 40,628,991,693.95
  5. Step 5: Solve for x
    x = 40,628,991,693.95/282,776.80
  6. Step 6: Final answer
    x = 143,678.66

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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.