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Finding the Fourth Proportional to 416,490.88, 624,730.56 and 100,950.40

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Solution

The fourth proportional to 416,490.88, 624,730.56 and 100,950.40 is: 151,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,490.88 : 624,730.56 = 100,950.40 : x
  2. Step 2: Convert to fraction form
    416,490.88/624,730.56 = 100,950.40/x
  3. Step 3: Cross multiply
    416,490.88x = 624,730.56 × 100,950.40
  4. Step 4: Simplify right side
    416,490.88x = 63,066,799,924.22
  5. Step 5: Solve for x
    x = 63,066,799,924.22/416,490.88
  6. Step 6: Final answer
    x = 151,424.20

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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.