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Finding the Fourth Proportional to 376,478.08, 519,782.88 and 233,391.04

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Solution

The fourth proportional to 376,478.08, 519,782.88 and 233,391.04 is: 322,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,478.08 : 519,782.88 = 233,391.04 : x
  2. Step 2: Convert to fraction form
    376,478.08/519,782.88 = 233,391.04/x
  3. Step 3: Cross multiply
    376,478.08x = 519,782.88 × 233,391.04
  4. Step 4: Simplify right side
    376,478.08x = 121,312,666,937.40
  5. Step 5: Solve for x
    x = 121,312,666,937.40/376,478.08
  6. Step 6: Final answer
    x = 322,230.36

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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.