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Finding the Fourth Proportional to 228,212.80, 342,319.20 and 175,068.70

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Solution

The fourth proportional to 228,212.80, 342,319.20 and 175,068.70 is: 262,603.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,212.80 : 342,319.20 = 175,068.70 : x
  2. Step 2: Convert to fraction form
    228,212.80/342,319.20 = 175,068.70/x
  3. Step 3: Cross multiply
    228,212.80x = 342,319.20 × 175,068.70
  4. Step 4: Simplify right side
    228,212.80x = 59,929,377,329.04
  5. Step 5: Solve for x
    x = 59,929,377,329.04/228,212.80
  6. Step 6: Final answer
    x = 262,603.05

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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.