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Finding the Fourth Proportional to 610,015.30, 841,798.20 and 338,087.82

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Solution

The fourth proportional to 610,015.30, 841,798.20 and 338,087.82 is: 466,548.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,015.30 : 841,798.20 = 338,087.82 : x
  2. Step 2: Convert to fraction form
    610,015.30/841,798.20 = 338,087.82/x
  3. Step 3: Cross multiply
    610,015.30x = 841,798.20 × 338,087.82
  4. Step 4: Simplify right side
    610,015.30x = 284,601,718,317.92
  5. Step 5: Solve for x
    x = 284,601,718,317.92/610,015.30
  6. Step 6: Final answer
    x = 466,548.49

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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.