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Finding the Fourth Proportional to 417,554.88, 626,332.32 and 122,066.88

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Solution

The fourth proportional to 417,554.88, 626,332.32 and 122,066.88 is: 183,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,554.88 : 626,332.32 = 122,066.88 : x
  2. Step 2: Convert to fraction form
    417,554.88/626,332.32 = 122,066.88/x
  3. Step 3: Cross multiply
    417,554.88x = 626,332.32 × 122,066.88
  4. Step 4: Simplify right side
    417,554.88x = 76,454,432,145.56
  5. Step 5: Solve for x
    x = 76,454,432,145.56/417,554.88
  6. Step 6: Final answer
    x = 183,100.32

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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.