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Finding the Fourth Proportional to 228,427.50, 342,641.25 and 62,215.50

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Solution

The fourth proportional to 228,427.50, 342,641.25 and 62,215.50 is: 93,323.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,427.50 : 342,641.25 = 62,215.50 : x
  2. Step 2: Convert to fraction form
    228,427.50/342,641.25 = 62,215.50/x
  3. Step 3: Cross multiply
    228,427.50x = 342,641.25 × 62,215.50
  4. Step 4: Simplify right side
    228,427.50x = 21,317,596,689.38
  5. Step 5: Solve for x
    x = 21,317,596,689.38/228,427.50
  6. Step 6: Final answer
    x = 93,323.25

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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.