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Finding the Fourth Proportional to 659,295.66, 993,884.90 and 615,352.88

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Solution

The fourth proportional to 659,295.66, 993,884.90 and 615,352.88 is: 927,641.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,295.66 : 993,884.90 = 615,352.88 : x
  2. Step 2: Convert to fraction form
    659,295.66/993,884.90 = 615,352.88/x
  3. Step 3: Cross multiply
    659,295.66x = 993,884.90 × 615,352.88
  4. Step 4: Simplify right side
    659,295.66x = 611,589,935,603.51
  5. Step 5: Solve for x
    x = 611,589,935,603.51/659,295.66
  6. Step 6: Final answer
    x = 927,641.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.