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Finding the Fourth Proportional to 456,661.39, 630,177.24 and 252,720.94

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Solution

The fourth proportional to 456,661.39, 630,177.24 and 252,720.94 is: 348,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,661.39 : 630,177.24 = 252,720.94 : x
  2. Step 2: Convert to fraction form
    456,661.39/630,177.24 = 252,720.94/x
  3. Step 3: Cross multiply
    456,661.39x = 630,177.24 × 252,720.94
  4. Step 4: Simplify right side
    456,661.39x = 159,258,984,459.41
  5. Step 5: Solve for x
    x = 159,258,984,459.41/456,661.39
  6. Step 6: Final answer
    x = 348,746.33

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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.