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Finding the Fourth Proportional to 974,256, 1,344,418.78 and 538,647.98

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Solution

The fourth proportional to 974,256, 1,344,418.78 and 538,647.98 is: 743,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,256 : 1,344,418.78 = 538,647.98 : x
  2. Step 2: Convert to fraction form
    974,256/1,344,418.78 = 538,647.98/x
  3. Step 3: Cross multiply
    974,256x = 1,344,418.78 × 538,647.98
  4. Step 4: Simplify right side
    974,256x = 724,168,460,121.06
  5. Step 5: Solve for x
    x = 724,168,460,121.06/974,256
  6. Step 6: Final answer
    x = 743,304.08

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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.