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Finding the Fourth Proportional to 282,577.71, 389,847.18 and 160,041.93

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Solution

The fourth proportional to 282,577.71, 389,847.18 and 160,041.93 is: 220,795.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,577.71 : 389,847.18 = 160,041.93 : x
  2. Step 2: Convert to fraction form
    282,577.71/389,847.18 = 160,041.93/x
  3. Step 3: Cross multiply
    282,577.71x = 389,847.18 × 160,041.93
  4. Step 4: Simplify right side
    282,577.71x = 62,391,893,330.25
  5. Step 5: Solve for x
    x = 62,391,893,330.25/282,577.71
  6. Step 6: Final answer
    x = 220,795.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.