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Finding the Fourth Proportional to 497,146.88, 745,830.12 and 181,603.28

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Solution

The fourth proportional to 497,146.88, 745,830.12 and 181,603.28 is: 272,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,146.88 : 745,830.12 = 181,603.28 : x
  2. Step 2: Convert to fraction form
    497,146.88/745,830.12 = 181,603.28/x
  3. Step 3: Cross multiply
    497,146.88x = 745,830.12 × 181,603.28
  4. Step 4: Simplify right side
    497,146.88x = 135,445,196,114.79
  5. Step 5: Solve for x
    x = 135,445,196,114.79/497,146.88
  6. Step 6: Final answer
    x = 272,445.03

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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.