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Finding the Fourth Proportional to 410,675.60, 616,099.80 and 173,896.40

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Solution

The fourth proportional to 410,675.60, 616,099.80 and 173,896.40 is: 260,881.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,675.60 : 616,099.80 = 173,896.40 : x
  2. Step 2: Convert to fraction form
    410,675.60/616,099.80 = 173,896.40/x
  3. Step 3: Cross multiply
    410,675.60x = 616,099.80 × 173,896.40
  4. Step 4: Simplify right side
    410,675.60x = 107,137,537,260.72
  5. Step 5: Solve for x
    x = 107,137,537,260.72/410,675.60
  6. Step 6: Final answer
    x = 260,881.19

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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.