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Finding the Fourth Proportional to 556,211.47, 834,441.39 and 236,373.48

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Solution

The fourth proportional to 556,211.47, 834,441.39 and 236,373.48 is: 354,612.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,211.47 : 834,441.39 = 236,373.48 : x
  2. Step 2: Convert to fraction form
    556,211.47/834,441.39 = 236,373.48/x
  3. Step 3: Cross multiply
    556,211.47x = 834,441.39 × 236,373.48
  4. Step 4: Simplify right side
    556,211.47x = 197,239,814,028.47
  5. Step 5: Solve for x
    x = 197,239,814,028.47/556,211.47
  6. Step 6: Final answer
    x = 354,612.99

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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.