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Finding the Fourth Proportional to 552,897.72, 829,301.02 and 153,547.88

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Solution

The fourth proportional to 552,897.72, 829,301.02 and 153,547.88 is: 230,309.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,897.72 : 829,301.02 = 153,547.88 : x
  2. Step 2: Convert to fraction form
    552,897.72/829,301.02 = 153,547.88/x
  3. Step 3: Cross multiply
    552,897.72x = 829,301.02 × 153,547.88
  4. Step 4: Simplify right side
    552,897.72x = 127,337,408,972.46
  5. Step 5: Solve for x
    x = 127,337,408,972.46/552,897.72
  6. Step 6: Final answer
    x = 230,309.16

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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.