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Finding the Fourth Proportional to 416,988.48, 625,442.64 and 117,464.28

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Solution

The fourth proportional to 416,988.48, 625,442.64 and 117,464.28 is: 176,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,988.48 : 625,442.64 = 117,464.28 : x
  2. Step 2: Convert to fraction form
    416,988.48/625,442.64 = 117,464.28/x
  3. Step 3: Cross multiply
    416,988.48x = 625,442.64 × 117,464.28
  4. Step 4: Simplify right side
    416,988.48x = 73,467,169,388.90
  5. Step 5: Solve for x
    x = 73,467,169,388.90/416,988.48
  6. Step 6: Final answer
    x = 176,185.13

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1.5x scale

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.