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Finding the Fourth Proportional to 437,047.84, 655,570.80 and 137,554.60

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Solution

The fourth proportional to 437,047.84, 655,570.80 and 137,554.60 is: 206,331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,047.84 : 655,570.80 = 137,554.60 : x
  2. Step 2: Convert to fraction form
    437,047.84/655,570.80 = 137,554.60/x
  3. Step 3: Cross multiply
    437,047.84x = 655,570.80 × 137,554.60
  4. Step 4: Simplify right side
    437,047.84x = 90,176,776,426.52
  5. Step 5: Solve for x
    x = 90,176,776,426.52/437,047.84
  6. Step 6: Final answer
    x = 206,331.59

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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.