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Finding the Fourth Proportional to 519,026.76, 716,266.26 and 304,227.72

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Solution

The fourth proportional to 519,026.76, 716,266.26 and 304,227.72 is: 419,839.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,026.76 : 716,266.26 = 304,227.72 : x
  2. Step 2: Convert to fraction form
    519,026.76/716,266.26 = 304,227.72/x
  3. Step 3: Cross multiply
    519,026.76x = 716,266.26 × 304,227.72
  4. Step 4: Simplify right side
    519,026.76x = 217,908,051,192.73
  5. Step 5: Solve for x
    x = 217,908,051,192.73/519,026.76
  6. Step 6: Final answer
    x = 419,839.72

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Double scale
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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.