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Finding the Fourth Proportional to 346,537.74, 478,226.08 and 203,300.22

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Solution

The fourth proportional to 346,537.74, 478,226.08 and 203,300.22 is: 280,556.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,537.74 : 478,226.08 = 203,300.22 : x
  2. Step 2: Convert to fraction form
    346,537.74/478,226.08 = 203,300.22/x
  3. Step 3: Cross multiply
    346,537.74x = 478,226.08 × 203,300.22
  4. Step 4: Simplify right side
    346,537.74x = 97,223,467,273.74
  5. Step 5: Solve for x
    x = 97,223,467,273.74/346,537.74
  6. Step 6: Final answer
    x = 280,556.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.