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Finding the Fourth Proportional to 348,045.90, 520,902.45 and 348,045.90

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Solution

The fourth proportional to 348,045.90, 520,902.45 and 348,045.90 is: 520,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,045.90 : 520,902.45 = 348,045.90 : x
  2. Step 2: Convert to fraction form
    348,045.90/520,902.45 = 348,045.90/x
  3. Step 3: Cross multiply
    348,045.90x = 520,902.45 × 348,045.90
  4. Step 4: Simplify right side
    348,045.90x = 181,297,962,022.46
  5. Step 5: Solve for x
    x = 181,297,962,022.46/348,045.90
  6. Step 6: Final answer
    x = 520,902.45

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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.