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Finding the Fourth Proportional to 434,486.77, 599,616.34 and 243,512.46

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Solution

The fourth proportional to 434,486.77, 599,616.34 and 243,512.46 is: 336,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,486.77 : 599,616.34 = 243,512.46 : x
  2. Step 2: Convert to fraction form
    434,486.77/599,616.34 = 243,512.46/x
  3. Step 3: Cross multiply
    434,486.77x = 599,616.34 × 243,512.46
  4. Step 4: Simplify right side
    434,486.77x = 146,014,049,400.82
  5. Step 5: Solve for x
    x = 146,014,049,400.82/434,486.77
  6. Step 6: Final answer
    x = 336,060.98

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Double scale
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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.