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Finding the Fourth Proportional to 540,776.32, 746,023.04 and 349,851.20

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Solution

The fourth proportional to 540,776.32, 746,023.04 and 349,851.20 is: 482,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,776.32 : 746,023.04 = 349,851.20 : x
  2. Step 2: Convert to fraction form
    540,776.32/746,023.04 = 349,851.20/x
  3. Step 3: Cross multiply
    540,776.32x = 746,023.04 × 349,851.20
  4. Step 4: Simplify right side
    540,776.32x = 260,997,055,771.65
  5. Step 5: Solve for x
    x = 260,997,055,771.65/540,776.32
  6. Step 6: Final answer
    x = 482,634.03

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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.