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Finding the Fourth Proportional to 657,787.94, 986,681.94 and 159,151.94

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Solution

The fourth proportional to 657,787.94, 986,681.94 and 159,151.94 is: 238,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,787.94 : 986,681.94 = 159,151.94 : x
  2. Step 2: Convert to fraction form
    657,787.94/986,681.94 = 159,151.94/x
  3. Step 3: Cross multiply
    657,787.94x = 986,681.94 × 159,151.94
  4. Step 4: Simplify right side
    657,787.94x = 157,032,344,913.96
  5. Step 5: Solve for x
    x = 157,032,344,913.96/657,787.94
  6. Step 6: Final answer
    x = 238,727.92

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.