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Finding the Fourth Proportional to 965,011.60, 1,448,683.80 and 958,013.20

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Solution

The fourth proportional to 965,011.60, 1,448,683.80 and 958,013.20 is: 1,438,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,011.60 : 1,448,683.80 = 958,013.20 : x
  2. Step 2: Convert to fraction form
    965,011.60/1,448,683.80 = 958,013.20/x
  3. Step 3: Cross multiply
    965,011.60x = 1,448,683.80 × 958,013.20
  4. Step 4: Simplify right side
    965,011.60x = 1,387,858,203,026.16
  5. Step 5: Solve for x
    x = 1,387,858,203,026.16/965,011.60
  6. Step 6: Final answer
    x = 1,438,177.74

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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.