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Finding the Fourth Proportional to 480,397.77, 662,974.74 and 265,557.78

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Solution

The fourth proportional to 480,397.77, 662,974.74 and 265,557.78 is: 366,484.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,397.77 : 662,974.74 = 265,557.78 : x
  2. Step 2: Convert to fraction form
    480,397.77/662,974.74 = 265,557.78/x
  3. Step 3: Cross multiply
    480,397.77x = 662,974.74 × 265,557.78
  4. Step 4: Simplify right side
    480,397.77x = 176,058,100,150.48
  5. Step 5: Solve for x
    x = 176,058,100,150.48/480,397.77
  6. Step 6: Final answer
    x = 366,484.01

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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.