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Finding the Fourth Proportional to 562,169.60, 842,962.80 and 207,000.80

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Solution

The fourth proportional to 562,169.60, 842,962.80 and 207,000.80 is: 310,393.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,169.60 : 842,962.80 = 207,000.80 : x
  2. Step 2: Convert to fraction form
    562,169.60/842,962.80 = 207,000.80/x
  3. Step 3: Cross multiply
    562,169.60x = 842,962.80 × 207,000.80
  4. Step 4: Simplify right side
    562,169.60x = 174,493,973,970.24
  5. Step 5: Solve for x
    x = 174,493,973,970.24/562,169.60
  6. Step 6: Final answer
    x = 310,393.83

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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.