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Finding the Fourth Proportional to 633,999.63, 874,919.69 and 347,521.66

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Solution

The fourth proportional to 633,999.63, 874,919.69 and 347,521.66 is: 479,580.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,999.63 : 874,919.69 = 347,521.66 : x
  2. Step 2: Convert to fraction form
    633,999.63/874,919.69 = 347,521.66/x
  3. Step 3: Cross multiply
    633,999.63x = 874,919.69 × 347,521.66
  4. Step 4: Simplify right side
    633,999.63x = 304,053,543,035.49
  5. Step 5: Solve for x
    x = 304,053,543,035.49/633,999.63
  6. Step 6: Final answer
    x = 479,580.00

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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.