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Finding the Fourth Proportional to 228,217.40, 342,326.10 and 62,005.40

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Solution

The fourth proportional to 228,217.40, 342,326.10 and 62,005.40 is: 93,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,217.40 : 342,326.10 = 62,005.40 : x
  2. Step 2: Convert to fraction form
    228,217.40/342,326.10 = 62,005.40/x
  3. Step 3: Cross multiply
    228,217.40x = 342,326.10 × 62,005.40
  4. Step 4: Simplify right side
    228,217.40x = 21,226,066,760.94
  5. Step 5: Solve for x
    x = 21,226,066,760.94/228,217.40
  6. Step 6: Final answer
    x = 93,008.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.