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Finding the Fourth Proportional to 351,349.86, 484,862.96 and 190,204.91

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Solution

The fourth proportional to 351,349.86, 484,862.96 and 190,204.91 is: 262,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,349.86 : 484,862.96 = 190,204.91 : x
  2. Step 2: Convert to fraction form
    351,349.86/484,862.96 = 190,204.91/x
  3. Step 3: Cross multiply
    351,349.86x = 484,862.96 × 190,204.91
  4. Step 4: Simplify right side
    351,349.86x = 92,223,312,293.79
  5. Step 5: Solve for x
    x = 92,223,312,293.79/351,349.86
  6. Step 6: Final answer
    x = 262,482.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.