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Finding the Fourth Proportional to 452,749.66, 624,781.57 and 256,497.85

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Solution

The fourth proportional to 452,749.66, 624,781.57 and 256,497.85 is: 353,959.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,749.66 : 624,781.57 = 256,497.85 : x
  2. Step 2: Convert to fraction form
    452,749.66/624,781.57 = 256,497.85/x
  3. Step 3: Cross multiply
    452,749.66x = 624,781.57 × 256,497.85
  4. Step 4: Simplify right side
    452,749.66x = 160,255,126,530.89
  5. Step 5: Solve for x
    x = 160,255,126,530.89/452,749.66
  6. Step 6: Final answer
    x = 353,959.69

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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.