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Finding the Fourth Proportional to 562,100.09, 842,734.61 and 291,840.20

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Solution

The fourth proportional to 562,100.09, 842,734.61 and 291,840.20 is: 437,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,100.09 : 842,734.61 = 291,840.20 : x
  2. Step 2: Convert to fraction form
    562,100.09/842,734.61 = 291,840.20/x
  3. Step 3: Cross multiply
    562,100.09x = 842,734.61 × 291,840.20
  4. Step 4: Simplify right side
    562,100.09x = 245,943,834,890.30
  5. Step 5: Solve for x
    x = 245,943,834,890.30/562,100.09
  6. Step 6: Final answer
    x = 437,544.56

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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.