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Finding the Fourth Proportional to 286,562.26, 429,843.42 and 89,570.26

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Solution

The fourth proportional to 286,562.26, 429,843.42 and 89,570.26 is: 134,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,562.26 : 429,843.42 = 89,570.26 : x
  2. Step 2: Convert to fraction form
    286,562.26/429,843.42 = 89,570.26/x
  3. Step 3: Cross multiply
    286,562.26x = 429,843.42 × 89,570.26
  4. Step 4: Simplify right side
    286,562.26x = 38,501,186,888.69
  5. Step 5: Solve for x
    x = 38,501,186,888.69/286,562.26
  6. Step 6: Final answer
    x = 134,355.40

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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.