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Finding the Fourth Proportional to 558,828.76, 834,186 and 517,196.92

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Solution

The fourth proportional to 558,828.76, 834,186 and 517,196.92 is: 772,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,828.76 : 834,186 = 517,196.92 : x
  2. Step 2: Convert to fraction form
    558,828.76/834,186 = 517,196.92/x
  3. Step 3: Cross multiply
    558,828.76x = 834,186 × 517,196.92
  4. Step 4: Simplify right side
    558,828.76x = 431,438,429,907.12
  5. Step 5: Solve for x
    x = 431,438,429,907.12/558,828.76
  6. Step 6: Final answer
    x = 772,040.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.