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Finding the Fourth Proportional to 5,192,458.70, 7,788,688.05 and 2,952,970.70

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Solution

The fourth proportional to 5,192,458.70, 7,788,688.05 and 2,952,970.70 is: 4,429,456.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192,458.70 : 7,788,688.05 = 2,952,970.70 : x
  2. Step 2: Convert to fraction form
    5,192,458.70/7,788,688.05 = 2,952,970.70/x
  3. Step 3: Cross multiply
    5,192,458.70x = 7,788,688.05 × 2,952,970.70
  4. Step 4: Simplify right side
    5,192,458.70x = 22,999,767,603,090.14
  5. Step 5: Solve for x
    x = 22,999,767,603,090.14/5,192,458.70
  6. Step 6: Final answer
    x = 4,429,456.05

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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.