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Finding the Fourth Proportional to 348,363.79, 522,547.30 and 95,647.84

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Solution

The fourth proportional to 348,363.79, 522,547.30 and 95,647.84 is: 143,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,363.79 : 522,547.30 = 95,647.84 : x
  2. Step 2: Convert to fraction form
    348,363.79/522,547.30 = 95,647.84/x
  3. Step 3: Cross multiply
    348,363.79x = 522,547.30 × 95,647.84
  4. Step 4: Simplify right side
    348,363.79x = 49,980,519,356.02
  5. Step 5: Solve for x
    x = 49,980,519,356.02/348,363.79
  6. Step 6: Final answer
    x = 143,472.20

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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.