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Finding the Fourth Proportional to 496,312.48, 744,407.16 and 159,326.56

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Solution

The fourth proportional to 496,312.48, 744,407.16 and 159,326.56 is: 238,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,312.48 : 744,407.16 = 159,326.56 : x
  2. Step 2: Convert to fraction form
    496,312.48/744,407.16 = 159,326.56/x
  3. Step 3: Cross multiply
    496,312.48x = 744,407.16 × 159,326.56
  4. Step 4: Simplify right side
    496,312.48x = 118,603,832,042.17
  5. Step 5: Solve for x
    x = 118,603,832,042.17/496,312.48
  6. Step 6: Final answer
    x = 238,970.08

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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.