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Finding the Fourth Proportional to 315,651.04, 473,587.28 and 163,775.10

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Solution

The fourth proportional to 315,651.04, 473,587.28 and 163,775.10 is: 245,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,651.04 : 473,587.28 = 163,775.10 : x
  2. Step 2: Convert to fraction form
    315,651.04/473,587.28 = 163,775.10/x
  3. Step 3: Cross multiply
    315,651.04x = 473,587.28 × 163,775.10
  4. Step 4: Simplify right side
    315,651.04x = 77,561,804,140.73
  5. Step 5: Solve for x
    x = 77,561,804,140.73/315,651.04
  6. Step 6: Final answer
    x = 245,720.10

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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.