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Finding the Fourth Proportional to 294,073.40, 439,118.21 and 233,421.39

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Solution

The fourth proportional to 294,073.40, 439,118.21 and 233,421.39 is: 348,551.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,073.40 : 439,118.21 = 233,421.39 : x
  2. Step 2: Convert to fraction form
    294,073.40/439,118.21 = 233,421.39/x
  3. Step 3: Cross multiply
    294,073.40x = 439,118.21 × 233,421.39
  4. Step 4: Simplify right side
    294,073.40x = 102,499,581,785.41
  5. Step 5: Solve for x
    x = 102,499,581,785.41/294,073.40
  6. Step 6: Final answer
    x = 348,551.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.