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Finding the Fourth Proportional to 965,237.62, 1,448,258 and 425,217.52

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Solution

The fourth proportional to 965,237.62, 1,448,258 and 425,217.52 is: 638,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,237.62 : 1,448,258 = 425,217.52 : x
  2. Step 2: Convert to fraction form
    965,237.62/1,448,258 = 425,217.52/x
  3. Step 3: Cross multiply
    965,237.62x = 1,448,258 × 425,217.52
  4. Step 4: Simplify right side
    965,237.62x = 615,824,675,080.16
  5. Step 5: Solve for x
    x = 615,824,675,080.16/965,237.62
  6. Step 6: Final answer
    x = 638,003.18

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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.