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Finding the Fourth Proportional to 508,036.02, 762,083.19 and 153,013.02

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Solution

The fourth proportional to 508,036.02, 762,083.19 and 153,013.02 is: 229,528.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,036.02 : 762,083.19 = 153,013.02 : x
  2. Step 2: Convert to fraction form
    508,036.02/762,083.19 = 153,013.02/x
  3. Step 3: Cross multiply
    508,036.02x = 762,083.19 × 153,013.02
  4. Step 4: Simplify right side
    508,036.02x = 116,608,650,393.13
  5. Step 5: Solve for x
    x = 116,608,650,393.13/508,036.02
  6. Step 6: Final answer
    x = 229,528.31

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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.