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Finding the Fourth Proportional to 650,119.24, 896,803.50 and 378,156.52

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Solution

The fourth proportional to 650,119.24, 896,803.50 and 378,156.52 is: 521,645.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,119.24 : 896,803.50 = 378,156.52 : x
  2. Step 2: Convert to fraction form
    650,119.24/896,803.50 = 378,156.52/x
  3. Step 3: Cross multiply
    650,119.24x = 896,803.50 × 378,156.52
  4. Step 4: Simplify right side
    650,119.24x = 339,132,090,683.82
  5. Step 5: Solve for x
    x = 339,132,090,683.82/650,119.24
  6. Step 6: Final answer
    x = 521,645.98

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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.