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Finding the Fourth Proportional to 349,895.94, 522,113.88 and 312,196.74

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Solution

The fourth proportional to 349,895.94, 522,113.88 and 312,196.74 is: 465,859.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,895.94 : 522,113.88 = 312,196.74 : x
  2. Step 2: Convert to fraction form
    349,895.94/522,113.88 = 312,196.74/x
  3. Step 3: Cross multiply
    349,895.94x = 522,113.88 × 312,196.74
  4. Step 4: Simplify right side
    349,895.94x = 163,002,251,244.75
  5. Step 5: Solve for x
    x = 163,002,251,244.75/349,895.94
  6. Step 6: Final answer
    x = 465,859.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.