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Finding the Fourth Proportional to 533,240.36, 735,770.16 and 315,483.20

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Solution

The fourth proportional to 533,240.36, 735,770.16 and 315,483.20 is: 435,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,240.36 : 735,770.16 = 315,483.20 : x
  2. Step 2: Convert to fraction form
    533,240.36/735,770.16 = 315,483.20/x
  3. Step 3: Cross multiply
    533,240.36x = 735,770.16 × 315,483.20
  4. Step 4: Simplify right side
    533,240.36x = 232,123,124,541.31
  5. Step 5: Solve for x
    x = 232,123,124,541.31/533,240.36
  6. Step 6: Final answer
    x = 435,306.74

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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.