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Finding the Fourth Proportional to 480,685, 663,334.32 and 265,826.92

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Solution

The fourth proportional to 480,685, 663,334.32 and 265,826.92 is: 366,835.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,685 : 663,334.32 = 265,826.92 : x
  2. Step 2: Convert to fraction form
    480,685/663,334.32 = 265,826.92/x
  3. Step 3: Cross multiply
    480,685x = 663,334.32 × 265,826.92
  4. Step 4: Simplify right side
    480,685x = 176,332,119,215.89
  5. Step 5: Solve for x
    x = 176,332,119,215.89/480,685
  6. Step 6: Final answer
    x = 366,835.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.