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Finding the Fourth Proportional to 622,072.60, 933,108.90 and 497,656.60

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Solution

The fourth proportional to 622,072.60, 933,108.90 and 497,656.60 is: 746,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,072.60 : 933,108.90 = 497,656.60 : x
  2. Step 2: Convert to fraction form
    622,072.60/933,108.90 = 497,656.60/x
  3. Step 3: Cross multiply
    622,072.60x = 933,108.90 × 497,656.60
  4. Step 4: Simplify right side
    622,072.60x = 464,367,802,603.74
  5. Step 5: Solve for x
    x = 464,367,802,603.74/622,072.60
  6. Step 6: Final answer
    x = 746,484.90

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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.