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Finding the Fourth Proportional to 303,339.40, 454,790.40 and 170,260.45

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Solution

The fourth proportional to 303,339.40, 454,790.40 and 170,260.45 is: 255,267.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,339.40 : 454,790.40 = 170,260.45 : x
  2. Step 2: Convert to fraction form
    303,339.40/454,790.40 = 170,260.45/x
  3. Step 3: Cross multiply
    303,339.40x = 454,790.40 × 170,260.45
  4. Step 4: Simplify right side
    303,339.40x = 77,432,818,159.68
  5. Step 5: Solve for x
    x = 77,432,818,159.68/303,339.40
  6. Step 6: Final answer
    x = 255,267.92

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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.