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Finding the Fourth Proportional to 376,465.51, 519,522.80 and 223,534.24

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Solution

The fourth proportional to 376,465.51, 519,522.80 and 223,534.24 is: 308,477.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,465.51 : 519,522.80 = 223,534.24 : x
  2. Step 2: Convert to fraction form
    376,465.51/519,522.80 = 223,534.24/x
  3. Step 3: Cross multiply
    376,465.51x = 519,522.80 × 223,534.24
  4. Step 4: Simplify right side
    376,465.51x = 116,131,134,260.67
  5. Step 5: Solve for x
    x = 116,131,134,260.67/376,465.51
  6. Step 6: Final answer
    x = 308,477.49

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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.