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Finding the Fourth Proportional to 348,994.80, 523,328.67 and 146,547.65

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Solution

The fourth proportional to 348,994.80, 523,328.67 and 146,547.65 is: 219,752.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,994.80 : 523,328.67 = 146,547.65 : x
  2. Step 2: Convert to fraction form
    348,994.80/523,328.67 = 146,547.65/x
  3. Step 3: Cross multiply
    348,994.80x = 523,328.67 × 146,547.65
  4. Step 4: Simplify right side
    348,994.80x = 76,692,584,149.48
  5. Step 5: Solve for x
    x = 76,692,584,149.48/348,994.80
  6. Step 6: Final answer
    x = 219,752.80

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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.