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Finding the Fourth Proportional to 351,999.20, 527,998.80 and 349,925.60

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Solution

The fourth proportional to 351,999.20, 527,998.80 and 349,925.60 is: 524,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,999.20 : 527,998.80 = 349,925.60 : x
  2. Step 2: Convert to fraction form
    351,999.20/527,998.80 = 349,925.60/x
  3. Step 3: Cross multiply
    351,999.20x = 527,998.80 × 349,925.60
  4. Step 4: Simplify right side
    351,999.20x = 184,760,296,889.28
  5. Step 5: Solve for x
    x = 184,760,296,889.28/351,999.20
  6. Step 6: Final answer
    x = 524,888.40

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1.5x scale

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.