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Finding the Fourth Proportional to 715,634.76, 986,484.36 and 606,335.70

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Solution

The fourth proportional to 715,634.76, 986,484.36 and 606,335.70 is: 835,818.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,634.76 : 986,484.36 = 606,335.70 : x
  2. Step 2: Convert to fraction form
    715,634.76/986,484.36 = 606,335.70/x
  3. Step 3: Cross multiply
    715,634.76x = 986,484.36 × 606,335.70
  4. Step 4: Simplify right side
    715,634.76x = 598,140,684,959.65
  5. Step 5: Solve for x
    x = 598,140,684,959.65/715,634.76
  6. Step 6: Final answer
    x = 835,818.38

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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.