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Finding the Fourth Proportional to 417,919, 626,877.14 and 151,679.16

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Solution

The fourth proportional to 417,919, 626,877.14 and 151,679.16 is: 227,518.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,919 : 626,877.14 = 151,679.16 : x
  2. Step 2: Convert to fraction form
    417,919/626,877.14 = 151,679.16/x
  3. Step 3: Cross multiply
    417,919x = 626,877.14 × 151,679.16
  4. Step 4: Simplify right side
    417,919x = 95,084,198,018.40
  5. Step 5: Solve for x
    x = 95,084,198,018.40/417,919
  6. Step 6: Final answer
    x = 227,518.25

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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.