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Finding the Fourth Proportional to 303,869.10, 455,760.45 and 93,528.30

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Solution

The fourth proportional to 303,869.10, 455,760.45 and 93,528.30 is: 140,279.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,869.10 : 455,760.45 = 93,528.30 : x
  2. Step 2: Convert to fraction form
    303,869.10/455,760.45 = 93,528.30/x
  3. Step 3: Cross multiply
    303,869.10x = 455,760.45 × 93,528.30
  4. Step 4: Simplify right side
    303,869.10x = 42,626,500,095.74
  5. Step 5: Solve for x
    x = 42,626,500,095.74/303,869.10
  6. Step 6: Final answer
    x = 140,279.15

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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.