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Finding the Fourth Proportional to 3,154,603.44, 4,731,905.15 and 758,448.08

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Solution

The fourth proportional to 3,154,603.44, 4,731,905.15 and 758,448.08 is: 1,137,672.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154,603.44 : 4,731,905.15 = 758,448.08 : x
  2. Step 2: Convert to fraction form
    3,154,603.44/4,731,905.15 = 758,448.08/x
  3. Step 3: Cross multiply
    3,154,603.44x = 4,731,905.15 × 758,448.08
  4. Step 4: Simplify right side
    3,154,603.44x = 3,588,904,348,307.85
  5. Step 5: Solve for x
    x = 3,588,904,348,307.85/3,154,603.44
  6. Step 6: Final answer
    x = 1,137,672.11

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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.