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Finding the Fourth Proportional to 439,800.10, 606,894.42 and 243,552.48

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Solution

The fourth proportional to 439,800.10, 606,894.42 and 243,552.48 is: 336,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,800.10 : 606,894.42 = 243,552.48 : x
  2. Step 2: Convert to fraction form
    439,800.10/606,894.42 = 243,552.48/x
  3. Step 3: Cross multiply
    439,800.10x = 606,894.42 × 243,552.48
  4. Step 4: Simplify right side
    439,800.10x = 147,810,641,089.16
  5. Step 5: Solve for x
    x = 147,810,641,089.16/439,800.10
  6. Step 6: Final answer
    x = 336,085.97

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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.