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Finding the Fourth Proportional to 439,465.50, 606,445.58 and 248,482.89

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Solution

The fourth proportional to 439,465.50, 606,445.58 and 248,482.89 is: 342,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,465.50 : 606,445.58 = 248,482.89 : x
  2. Step 2: Convert to fraction form
    439,465.50/606,445.58 = 248,482.89/x
  3. Step 3: Cross multiply
    439,465.50x = 606,445.58 × 248,482.89
  4. Step 4: Simplify right side
    439,465.50x = 150,691,350,967.33
  5. Step 5: Solve for x
    x = 150,691,350,967.33/439,465.50
  6. Step 6: Final answer
    x = 342,896.88

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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.