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Finding the Fourth Proportional to 591,720.30, 887,580.45 and 236,988.90

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Solution

The fourth proportional to 591,720.30, 887,580.45 and 236,988.90 is: 355,483.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,720.30 : 887,580.45 = 236,988.90 : x
  2. Step 2: Convert to fraction form
    591,720.30/887,580.45 = 236,988.90/x
  3. Step 3: Cross multiply
    591,720.30x = 887,580.45 × 236,988.90
  4. Step 4: Simplify right side
    591,720.30x = 210,346,714,507.01
  5. Step 5: Solve for x
    x = 210,346,714,507.01/591,720.30
  6. Step 6: Final answer
    x = 355,483.35

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Similar ratio
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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.