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Finding the Fourth Proportional to 657,444.48, 986,164.56 and 158,808.48

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Solution

The fourth proportional to 657,444.48, 986,164.56 and 158,808.48 is: 238,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,444.48 : 986,164.56 = 158,808.48 : x
  2. Step 2: Convert to fraction form
    657,444.48/986,164.56 = 158,808.48/x
  3. Step 3: Cross multiply
    657,444.48x = 986,164.56 × 158,808.48
  4. Step 4: Simplify right side
    657,444.48x = 156,611,294,803.47
  5. Step 5: Solve for x
    x = 156,611,294,803.47/657,444.48
  6. Step 6: Final answer
    x = 238,212.20

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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.