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Finding the Fourth Proportional to 343,488.57, 474,248.01 and 214,477.44

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Solution

The fourth proportional to 343,488.57, 474,248.01 and 214,477.44 is: 296,124.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,488.57 : 474,248.01 = 214,477.44 : x
  2. Step 2: Convert to fraction form
    343,488.57/474,248.01 = 214,477.44/x
  3. Step 3: Cross multiply
    343,488.57x = 474,248.01 × 214,477.44
  4. Step 4: Simplify right side
    343,488.57x = 101,715,499,109.89
  5. Step 5: Solve for x
    x = 101,715,499,109.89/343,488.57
  6. Step 6: Final answer
    x = 296,124.84

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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.