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Finding the Fourth Proportional to 691,760.15, 954,265.97 and 562,842.78

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Solution

The fourth proportional to 691,760.15, 954,265.97 and 562,842.78 is: 776,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,760.15 : 954,265.97 = 562,842.78 : x
  2. Step 2: Convert to fraction form
    691,760.15/954,265.97 = 562,842.78/x
  3. Step 3: Cross multiply
    691,760.15x = 954,265.97 × 562,842.78
  4. Step 4: Simplify right side
    691,760.15x = 537,101,706,214.32
  5. Step 5: Solve for x
    x = 537,101,706,214.32/691,760.15
  6. Step 6: Final answer
    x = 776,427.65

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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.