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Finding the Fourth Proportional to 416,763.59, 621,484.93 and 412,974.41

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Solution

The fourth proportional to 416,763.59, 621,484.93 and 412,974.41 is: 615,834.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,763.59 : 621,484.93 = 412,974.41 : x
  2. Step 2: Convert to fraction form
    416,763.59/621,484.93 = 412,974.41/x
  3. Step 3: Cross multiply
    416,763.59x = 621,484.93 × 412,974.41
  4. Step 4: Simplify right side
    416,763.59x = 256,657,369,699.44
  5. Step 5: Solve for x
    x = 256,657,369,699.44/416,763.59
  6. Step 6: Final answer
    x = 615,834.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.