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Finding the Fourth Proportional to 303,948.40, 455,922.60 and 93,650.80

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Solution

The fourth proportional to 303,948.40, 455,922.60 and 93,650.80 is: 140,476.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,948.40 : 455,922.60 = 93,650.80 : x
  2. Step 2: Convert to fraction form
    303,948.40/455,922.60 = 93,650.80/x
  3. Step 3: Cross multiply
    303,948.40x = 455,922.60 × 93,650.80
  4. Step 4: Simplify right side
    303,948.40x = 42,697,516,228.08
  5. Step 5: Solve for x
    x = 42,697,516,228.08/303,948.40
  6. Step 6: Final answer
    x = 140,476.20

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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.