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Finding the Fourth Proportional to 659,302.65, 993,895.47 and 615,359.88

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Solution

The fourth proportional to 659,302.65, 993,895.47 and 615,359.88 is: 927,651.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,302.65 : 993,895.47 = 615,359.88 : x
  2. Step 2: Convert to fraction form
    659,302.65/993,895.47 = 615,359.88/x
  3. Step 3: Cross multiply
    659,302.65x = 993,895.47 × 615,359.88
  4. Step 4: Simplify right side
    659,302.65x = 611,603,397,151.74
  5. Step 5: Solve for x
    x = 611,603,397,151.74/659,302.65
  6. Step 6: Final answer
    x = 927,651.96

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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.