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Finding the Fourth Proportional to 598,718.68, 825,437.82 and 496,357.72

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Solution

The fourth proportional to 598,718.68, 825,437.82 and 496,357.72 is: 684,315.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,718.68 : 825,437.82 = 496,357.72 : x
  2. Step 2: Convert to fraction form
    598,718.68/825,437.82 = 496,357.72/x
  3. Step 3: Cross multiply
    598,718.68x = 825,437.82 × 496,357.72
  4. Step 4: Simplify right side
    598,718.68x = 409,712,434,336.97
  5. Step 5: Solve for x
    x = 409,712,434,336.97/598,718.68
  6. Step 6: Final answer
    x = 684,315.44

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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.