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Finding the Fourth Proportional to 540,563.52, 745,998.66 and 358,962.30

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Solution

The fourth proportional to 540,563.52, 745,998.66 and 358,962.30 is: 495,381.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,563.52 : 745,998.66 = 358,962.30 : x
  2. Step 2: Convert to fraction form
    540,563.52/745,998.66 = 358,962.30/x
  3. Step 3: Cross multiply
    540,563.52x = 745,998.66 × 358,962.30
  4. Step 4: Simplify right side
    540,563.52x = 267,785,394,790.52
  5. Step 5: Solve for x
    x = 267,785,394,790.52/540,563.52
  6. Step 6: Final answer
    x = 495,381.92

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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.