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Finding the Fourth Proportional to 1,298,595.07, 1,947,892.62 and 351,965.79

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Solution

The fourth proportional to 1,298,595.07, 1,947,892.62 and 351,965.79 is: 527,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,595.07 : 1,947,892.62 = 351,965.79 : x
  2. Step 2: Convert to fraction form
    1,298,595.07/1,947,892.62 = 351,965.79/x
  3. Step 3: Cross multiply
    1,298,595.07x = 1,947,892.62 × 351,965.79
  4. Step 4: Simplify right side
    1,298,595.07x = 685,591,566,153.34
  5. Step 5: Solve for x
    x = 685,591,566,153.34/1,298,595.07
  6. Step 6: Final answer
    x = 527,948.69

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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.