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Finding the Fourth Proportional to 480,594.56, 663,192 and 265,717.76

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Solution

The fourth proportional to 480,594.56, 663,192 and 265,717.76 is: 366,674.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,594.56 : 663,192 = 265,717.76 : x
  2. Step 2: Convert to fraction form
    480,594.56/663,192 = 265,717.76/x
  3. Step 3: Cross multiply
    480,594.56x = 663,192 × 265,717.76
  4. Step 4: Simplify right side
    480,594.56x = 176,221,892,689.92
  5. Step 5: Solve for x
    x = 176,221,892,689.92/480,594.56
  6. Step 6: Final answer
    x = 366,674.76

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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.