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Finding the Fourth Proportional to 1,221,358.02, 1,834,900.02 and 1,152,340.86

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Solution

The fourth proportional to 1,221,358.02, 1,834,900.02 and 1,152,340.86 is: 1,731,212.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,358.02 : 1,834,900.02 = 1,152,340.86 : x
  2. Step 2: Convert to fraction form
    1,221,358.02/1,834,900.02 = 1,152,340.86/x
  3. Step 3: Cross multiply
    1,221,358.02x = 1,834,900.02 × 1,152,340.86
  4. Step 4: Simplify right side
    1,221,358.02x = 2,114,430,267,060.82
  5. Step 5: Solve for x
    x = 2,114,430,267,060.82/1,221,358.02
  6. Step 6: Final answer
    x = 1,731,212.50

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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.