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Finding the Fourth Proportional to 475,962.66, 714,010.80 and 139,028.04

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Solution

The fourth proportional to 475,962.66, 714,010.80 and 139,028.04 is: 208,561.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,962.66 : 714,010.80 = 139,028.04 : x
  2. Step 2: Convert to fraction form
    475,962.66/714,010.80 = 139,028.04/x
  3. Step 3: Cross multiply
    475,962.66x = 714,010.80 × 139,028.04
  4. Step 4: Simplify right side
    475,962.66x = 99,267,522,062.83
  5. Step 5: Solve for x
    x = 99,267,522,062.83/475,962.66
  6. Step 6: Final answer
    x = 208,561.58

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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.