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Finding the Fourth Proportional to 348,192.90, 480,329.35 and 227,404.89

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Solution

The fourth proportional to 348,192.90, 480,329.35 and 227,404.89 is: 313,703.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,192.90 : 480,329.35 = 227,404.89 : x
  2. Step 2: Convert to fraction form
    348,192.90/480,329.35 = 227,404.89/x
  3. Step 3: Cross multiply
    348,192.90x = 480,329.35 × 227,404.89
  4. Step 4: Simplify right side
    348,192.90x = 109,229,243,000.52
  5. Step 5: Solve for x
    x = 109,229,243,000.52/348,192.90
  6. Step 6: Final answer
    x = 313,703.25

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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.