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Finding the Fourth Proportional to 228,215.80, 342,323.70 and 175,071.70

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Solution

The fourth proportional to 228,215.80, 342,323.70 and 175,071.70 is: 262,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,215.80 : 342,323.70 = 175,071.70 : x
  2. Step 2: Convert to fraction form
    228,215.80/342,323.70 = 175,071.70/x
  3. Step 3: Cross multiply
    228,215.80x = 342,323.70 × 175,071.70
  4. Step 4: Simplify right side
    228,215.80x = 59,931,192,109.29
  5. Step 5: Solve for x
    x = 59,931,192,109.29/228,215.80
  6. Step 6: Final answer
    x = 262,607.55

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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.