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Finding the Fourth Proportional to 480,294.72, 662,808.78 and 262,507.80

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Solution

The fourth proportional to 480,294.72, 662,808.78 and 262,507.80 is: 362,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,294.72 : 662,808.78 = 262,507.80 : x
  2. Step 2: Convert to fraction form
    480,294.72/662,808.78 = 262,507.80/x
  3. Step 3: Cross multiply
    480,294.72x = 662,808.78 × 262,507.80
  4. Step 4: Simplify right side
    480,294.72x = 173,992,474,658.48
  5. Step 5: Solve for x
    x = 173,992,474,658.48/480,294.72
  6. Step 6: Final answer
    x = 362,261.89

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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.