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Finding the Fourth Proportional to 562,011.80, 843,017.70 and 325,815.80

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Solution

The fourth proportional to 562,011.80, 843,017.70 and 325,815.80 is: 488,723.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,011.80 : 843,017.70 = 325,815.80 : x
  2. Step 2: Convert to fraction form
    562,011.80/843,017.70 = 325,815.80/x
  3. Step 3: Cross multiply
    562,011.80x = 843,017.70 × 325,815.80
  4. Step 4: Simplify right side
    562,011.80x = 274,668,486,339.66
  5. Step 5: Solve for x
    x = 274,668,486,339.66/562,011.80
  6. Step 6: Final answer
    x = 488,723.70

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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.