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Finding the Fourth Proportional to 450,773.70, 622,084.47 and 257,212.93

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Solution

The fourth proportional to 450,773.70, 622,084.47 and 257,212.93 is: 354,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,773.70 : 622,084.47 = 257,212.93 : x
  2. Step 2: Convert to fraction form
    450,773.70/622,084.47 = 257,212.93/x
  3. Step 3: Cross multiply
    450,773.70x = 622,084.47 × 257,212.93
  4. Step 4: Simplify right side
    450,773.70x = 160,008,164,839.71
  5. Step 5: Solve for x
    x = 160,008,164,839.71/450,773.70
  6. Step 6: Final answer
    x = 354,963.40

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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.