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Finding the Fourth Proportional to 533,434.60, 748,052.60 and 533,434.60

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Solution

The fourth proportional to 533,434.60, 748,052.60 and 533,434.60 is: 748,052.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,434.60 : 748,052.60 = 533,434.60 : x
  2. Step 2: Convert to fraction form
    533,434.60/748,052.60 = 533,434.60/x
  3. Step 3: Cross multiply
    533,434.60x = 748,052.60 × 533,434.60
  4. Step 4: Simplify right side
    533,434.60x = 399,037,139,459.96
  5. Step 5: Solve for x
    x = 399,037,139,459.96/533,434.60
  6. Step 6: Final answer
    x = 748,052.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.