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Finding the Fourth Proportional to 382,030.99, 527,202.87 and 212,265.11

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Solution

The fourth proportional to 382,030.99, 527,202.87 and 212,265.11 is: 292,925.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,030.99 : 527,202.87 = 212,265.11 : x
  2. Step 2: Convert to fraction form
    382,030.99/527,202.87 = 212,265.11/x
  3. Step 3: Cross multiply
    382,030.99x = 527,202.87 × 212,265.11
  4. Step 4: Simplify right side
    382,030.99x = 111,906,775,192.87
  5. Step 5: Solve for x
    x = 111,906,775,192.87/382,030.99
  6. Step 6: Final answer
    x = 292,925.91

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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.