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Finding the Fourth Proportional to 479,960.76, 662,386.86 and 265,124.28

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Solution

The fourth proportional to 479,960.76, 662,386.86 and 265,124.28 is: 365,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,960.76 : 662,386.86 = 265,124.28 : x
  2. Step 2: Convert to fraction form
    479,960.76/662,386.86 = 265,124.28/x
  3. Step 3: Cross multiply
    479,960.76x = 662,386.86 × 265,124.28
  4. Step 4: Simplify right side
    479,960.76x = 175,614,839,338.96
  5. Step 5: Solve for x
    x = 175,614,839,338.96/479,960.76
  6. Step 6: Final answer
    x = 365,894.16

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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.