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Finding the Fourth Proportional to 492,966.72, 680,294.08 and 266,612.22

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Solution

The fourth proportional to 492,966.72, 680,294.08 and 266,612.22 is: 367,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,966.72 : 680,294.08 = 266,612.22 : x
  2. Step 2: Convert to fraction form
    492,966.72/680,294.08 = 266,612.22/x
  3. Step 3: Cross multiply
    492,966.72x = 680,294.08 × 266,612.22
  4. Step 4: Simplify right side
    492,966.72x = 181,374,715,955.86
  5. Step 5: Solve for x
    x = 181,374,715,955.86/492,966.72
  6. Step 6: Final answer
    x = 367,924.87

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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.