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Finding the Fourth Proportional to 347,315.60, 520,098.60 and 277,331.60

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Solution

The fourth proportional to 347,315.60, 520,098.60 and 277,331.60 is: 415,298.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,315.60 : 520,098.60 = 277,331.60 : x
  2. Step 2: Convert to fraction form
    347,315.60/520,098.60 = 277,331.60/x
  3. Step 3: Cross multiply
    347,315.60x = 520,098.60 × 277,331.60
  4. Step 4: Simplify right side
    347,315.60x = 144,239,776,895.76
  5. Step 5: Solve for x
    x = 144,239,776,895.76/347,315.60
  6. Step 6: Final answer
    x = 415,298.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.