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Finding the Fourth Proportional to 443,666.41, 612,259.63 and 239,717.39

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Solution

The fourth proportional to 443,666.41, 612,259.63 and 239,717.39 is: 330,809.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,666.41 : 612,259.63 = 239,717.39 : x
  2. Step 2: Convert to fraction form
    443,666.41/612,259.63 = 239,717.39/x
  3. Step 3: Cross multiply
    443,666.41x = 612,259.63 × 239,717.39
  4. Step 4: Simplify right side
    443,666.41x = 146,769,276,845.37
  5. Step 5: Solve for x
    x = 146,769,276,845.37/443,666.41
  6. Step 6: Final answer
    x = 330,809.98

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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.