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Finding the Fourth Proportional to 3,709,602.70, 5,564,404.05 and 3,343,498.90

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Solution

The fourth proportional to 3,709,602.70, 5,564,404.05 and 3,343,498.90 is: 5,015,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709,602.70 : 5,564,404.05 = 3,343,498.90 : x
  2. Step 2: Convert to fraction form
    3,709,602.70/5,564,404.05 = 3,343,498.90/x
  3. Step 3: Cross multiply
    3,709,602.70x = 5,564,404.05 × 3,343,498.90
  4. Step 4: Simplify right side
    3,709,602.70x = 18,604,578,820,330.54
  5. Step 5: Solve for x
    x = 18,604,578,820,330.54/3,709,602.70
  6. Step 6: Final answer
    x = 5,015,248.35

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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.