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Finding the Fourth Proportional to 767,655.60, 1,059,797.56 and 532,334.40

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Solution

The fourth proportional to 767,655.60, 1,059,797.56 and 532,334.40 is: 734,921.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,655.60 : 1,059,797.56 = 532,334.40 : x
  2. Step 2: Convert to fraction form
    767,655.60/1,059,797.56 = 532,334.40/x
  3. Step 3: Cross multiply
    767,655.60x = 1,059,797.56 × 532,334.40
  4. Step 4: Simplify right side
    767,655.60x = 564,166,698,224.06
  5. Step 5: Solve for x
    x = 564,166,698,224.06/767,655.60
  6. Step 6: Final answer
    x = 734,921.62

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Double scale
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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.