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Finding the Fourth Proportional to 404,607.11, 558,581.54 and 243,501.75

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Solution

The fourth proportional to 404,607.11, 558,581.54 and 243,501.75 is: 336,167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,607.11 : 558,581.54 = 243,501.75 : x
  2. Step 2: Convert to fraction form
    404,607.11/558,581.54 = 243,501.75/x
  3. Step 3: Cross multiply
    404,607.11x = 558,581.54 × 243,501.75
  4. Step 4: Simplify right side
    404,607.11x = 136,015,581,290.19
  5. Step 5: Solve for x
    x = 136,015,581,290.19/404,607.11
  6. Step 6: Final answer
    x = 336,167.06

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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.