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Finding the Fourth Proportional to 480,338.01, 662,826.57 and 265,478.03

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Solution

The fourth proportional to 480,338.01, 662,826.57 and 265,478.03 is: 366,337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,338.01 : 662,826.57 = 265,478.03 : x
  2. Step 2: Convert to fraction form
    480,338.01/662,826.57 = 265,478.03/x
  3. Step 3: Cross multiply
    480,338.01x = 662,826.57 × 265,478.03
  4. Step 4: Simplify right side
    480,338.01x = 175,965,888,721.12
  5. Step 5: Solve for x
    x = 175,965,888,721.12/480,338.01
  6. Step 6: Final answer
    x = 366,337.63

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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.