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Finding the Fourth Proportional to 533,719.38, 736,650.98 and 368,379.49

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Solution

The fourth proportional to 533,719.38, 736,650.98 and 368,379.49 is: 508,445.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,719.38 : 736,650.98 = 368,379.49 : x
  2. Step 2: Convert to fraction form
    533,719.38/736,650.98 = 368,379.49/x
  3. Step 3: Cross multiply
    533,719.38x = 736,650.98 × 368,379.49
  4. Step 4: Simplify right side
    533,719.38x = 271,367,112,320.40
  5. Step 5: Solve for x
    x = 271,367,112,320.40/533,719.38
  6. Step 6: Final answer
    x = 508,445.30

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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.