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Finding the Fourth Proportional to 602,739.05, 904,108.56 and 469,718.82

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Solution

The fourth proportional to 602,739.05, 904,108.56 and 469,718.82 is: 704,578.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,739.05 : 904,108.56 = 469,718.82 : x
  2. Step 2: Convert to fraction form
    602,739.05/904,108.56 = 469,718.82/x
  3. Step 3: Cross multiply
    602,739.05x = 904,108.56 × 469,718.82
  4. Step 4: Simplify right side
    602,739.05x = 424,676,805,955.10
  5. Step 5: Solve for x
    x = 424,676,805,955.10/602,739.05
  6. Step 6: Final answer
    x = 704,578.22

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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.