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Finding the Fourth Proportional to 562,854.38, 776,856.36 and 517,460.46

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Solution

The fourth proportional to 562,854.38, 776,856.36 and 517,460.46 is: 714,203.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,854.38 : 776,856.36 = 517,460.46 : x
  2. Step 2: Convert to fraction form
    562,854.38/776,856.36 = 517,460.46/x
  3. Step 3: Cross multiply
    562,854.38x = 776,856.36 × 517,460.46
  4. Step 4: Simplify right side
    562,854.38x = 401,992,449,399.53
  5. Step 5: Solve for x
    x = 401,992,449,399.53/562,854.38
  6. Step 6: Final answer
    x = 714,203.29

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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.