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Finding the Fourth Proportional to 434,345.76, 599,391.36 and 243,362.88

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Solution

The fourth proportional to 434,345.76, 599,391.36 and 243,362.88 is: 335,837.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,345.76 : 599,391.36 = 243,362.88 : x
  2. Step 2: Convert to fraction form
    434,345.76/599,391.36 = 243,362.88/x
  3. Step 3: Cross multiply
    434,345.76x = 599,391.36 × 243,362.88
  4. Step 4: Simplify right side
    434,345.76x = 145,869,607,616.72
  5. Step 5: Solve for x
    x = 145,869,607,616.72/434,345.76
  6. Step 6: Final answer
    x = 335,837.53

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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.