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Finding the Fourth Proportional to 504,291.56, 756,445.56 and 144,461.02

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Solution

The fourth proportional to 504,291.56, 756,445.56 and 144,461.02 is: 216,693.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,291.56 : 756,445.56 = 144,461.02 : x
  2. Step 2: Convert to fraction form
    504,291.56/756,445.56 = 144,461.02/x
  3. Step 3: Cross multiply
    504,291.56x = 756,445.56 × 144,461.02
  4. Step 4: Simplify right side
    504,291.56x = 109,276,893,613.10
  5. Step 5: Solve for x
    x = 109,276,893,613.10/504,291.56
  6. Step 6: Final answer
    x = 216,693.88

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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.