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Finding the Fourth Proportional to 1,254,709.04, 1,731,509.01 and 681,749.19

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Solution

The fourth proportional to 1,254,709.04, 1,731,509.01 and 681,749.19 is: 940,819.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,709.04 : 1,731,509.01 = 681,749.19 : x
  2. Step 2: Convert to fraction form
    1,254,709.04/1,731,509.01 = 681,749.19/x
  3. Step 3: Cross multiply
    1,254,709.04x = 1,731,509.01 × 681,749.19
  4. Step 4: Simplify right side
    1,254,709.04x = 1,180,454,865,045.20
  5. Step 5: Solve for x
    x = 1,180,454,865,045.20/1,254,709.04
  6. Step 6: Final answer
    x = 940,819.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.