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Finding the Fourth Proportional to 533,488.38, 736,932.86 and 426,821.10

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Solution

The fourth proportional to 533,488.38, 736,932.86 and 426,821.10 is: 589,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,488.38 : 736,932.86 = 426,821.10 : x
  2. Step 2: Convert to fraction form
    533,488.38/736,932.86 = 426,821.10/x
  3. Step 3: Cross multiply
    533,488.38x = 736,932.86 × 426,821.10
  4. Step 4: Simplify right side
    533,488.38x = 314,538,493,931.35
  5. Step 5: Solve for x
    x = 314,538,493,931.35/533,488.38
  6. Step 6: Final answer
    x = 589,588.28

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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.