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Finding the Fourth Proportional to 348,315.63, 522,479.92 and 99,004.11

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Solution

The fourth proportional to 348,315.63, 522,479.92 and 99,004.11 is: 148,508.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,315.63 : 522,479.92 = 99,004.11 : x
  2. Step 2: Convert to fraction form
    348,315.63/522,479.92 = 99,004.11/x
  3. Step 3: Cross multiply
    348,315.63x = 522,479.92 × 99,004.11
  4. Step 4: Simplify right side
    348,315.63x = 51,727,656,860.07
  5. Step 5: Solve for x
    x = 51,727,656,860.07/348,315.63
  6. Step 6: Final answer
    x = 148,508.00

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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.