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Finding the Fourth Proportional to 591,641.40, 886,943.70 and 354,732.60

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Solution

The fourth proportional to 591,641.40, 886,943.70 and 354,732.60 is: 531,788.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,641.40 : 886,943.70 = 354,732.60 : x
  2. Step 2: Convert to fraction form
    591,641.40/886,943.70 = 354,732.60/x
  3. Step 3: Cross multiply
    591,641.40x = 886,943.70 × 354,732.60
  4. Step 4: Simplify right side
    591,641.40x = 314,627,844,754.62
  5. Step 5: Solve for x
    x = 314,627,844,754.62/591,641.40
  6. Step 6: Final answer
    x = 531,788.08

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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.