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Finding the Fourth Proportional to 974,232, 1,344,440.16 and 538,649.64

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Solution

The fourth proportional to 974,232, 1,344,440.16 and 538,649.64 is: 743,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,232 : 1,344,440.16 = 538,649.64 : x
  2. Step 2: Convert to fraction form
    974,232/1,344,440.16 = 538,649.64/x
  3. Step 3: Cross multiply
    974,232x = 1,344,440.16 × 538,649.64
  4. Step 4: Simplify right side
    974,232x = 724,182,208,185.54
  5. Step 5: Solve for x
    x = 724,182,208,185.54/974,232
  6. Step 6: Final answer
    x = 743,336.50

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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.