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Finding the Fourth Proportional to 477,239.76, 658,591.32 and 262,383.48

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Solution

The fourth proportional to 477,239.76, 658,591.32 and 262,383.48 is: 362,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,239.76 : 658,591.32 = 262,383.48 : x
  2. Step 2: Convert to fraction form
    477,239.76/658,591.32 = 262,383.48/x
  3. Step 3: Cross multiply
    477,239.76x = 658,591.32 × 262,383.48
  4. Step 4: Simplify right side
    477,239.76x = 172,803,482,439.39
  5. Step 5: Solve for x
    x = 172,803,482,439.39/477,239.76
  6. Step 6: Final answer
    x = 362,089.45

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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.