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Finding the Fourth Proportional to 315,590.20, 473,730.90 and 175,622.20

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Solution

The fourth proportional to 315,590.20, 473,730.90 and 175,622.20 is: 263,625.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,590.20 : 473,730.90 = 175,622.20 : x
  2. Step 2: Convert to fraction form
    315,590.20/473,730.90 = 175,622.20/x
  3. Step 3: Cross multiply
    315,590.20x = 473,730.90 × 175,622.20
  4. Step 4: Simplify right side
    315,590.20x = 83,197,662,865.98
  5. Step 5: Solve for x
    x = 83,197,662,865.98/315,590.20
  6. Step 6: Final answer
    x = 263,625.62

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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.