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Finding the Fourth Proportional to 540,566.52, 746,002.80 and 358,965.30

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Solution

The fourth proportional to 540,566.52, 746,002.80 and 358,965.30 is: 495,386.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,566.52 : 746,002.80 = 358,965.30 : x
  2. Step 2: Convert to fraction form
    540,566.52/746,002.80 = 358,965.30/x
  3. Step 3: Cross multiply
    540,566.52x = 746,002.80 × 358,965.30
  4. Step 4: Simplify right side
    540,566.52x = 267,789,118,902.84
  5. Step 5: Solve for x
    x = 267,789,118,902.84/540,566.52
  6. Step 6: Final answer
    x = 495,386.06

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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.