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Finding the Fourth Proportional to 589,070.13, 883,605.19 and 145,838.13

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Solution

The fourth proportional to 589,070.13, 883,605.19 and 145,838.13 is: 218,757.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,070.13 : 883,605.19 = 145,838.13 : x
  2. Step 2: Convert to fraction form
    589,070.13/883,605.19 = 145,838.13/x
  3. Step 3: Cross multiply
    589,070.13x = 883,605.19 × 145,838.13
  4. Step 4: Simplify right side
    589,070.13x = 128,863,328,567.90
  5. Step 5: Solve for x
    x = 128,863,328,567.90/589,070.13
  6. Step 6: Final answer
    x = 218,757.19

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Similar ratio
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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.