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Finding the Fourth Proportional to 434,326.82, 599,387.50 and 243,333.68

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Solution

The fourth proportional to 434,326.82, 599,387.50 and 243,333.68 is: 335,809.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,326.82 : 599,387.50 = 243,333.68 : x
  2. Step 2: Convert to fraction form
    434,326.82/599,387.50 = 243,333.68/x
  3. Step 3: Cross multiply
    434,326.82x = 599,387.50 × 243,333.68
  4. Step 4: Simplify right side
    434,326.82x = 145,851,166,121
  5. Step 5: Solve for x
    x = 145,851,166,121/434,326.82
  6. Step 6: Final answer
    x = 335,809.72

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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.