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Finding the Fourth Proportional to 758,517, 1,046,785.25 and 436,227.34

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Solution

The fourth proportional to 758,517, 1,046,785.25 and 436,227.34 is: 602,012.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,517 : 1,046,785.25 = 436,227.34 : x
  2. Step 2: Convert to fraction form
    758,517/1,046,785.25 = 436,227.34/x
  3. Step 3: Cross multiply
    758,517x = 1,046,785.25 × 436,227.34
  4. Step 4: Simplify right side
    758,517x = 456,636,345,158.74
  5. Step 5: Solve for x
    x = 456,636,345,158.74/758,517
  6. Step 6: Final answer
    x = 602,012.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.