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Finding the Fourth Proportional to 539,243.40, 808,217.10 and 223,537.80

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Solution

The fourth proportional to 539,243.40, 808,217.10 and 223,537.80 is: 335,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,243.40 : 808,217.10 = 223,537.80 : x
  2. Step 2: Convert to fraction form
    539,243.40/808,217.10 = 223,537.80/x
  3. Step 3: Cross multiply
    539,243.40x = 808,217.10 × 223,537.80
  4. Step 4: Simplify right side
    539,243.40x = 180,667,072,456.38
  5. Step 5: Solve for x
    x = 180,667,072,456.38/539,243.40
  6. Step 6: Final answer
    x = 335,038.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.