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Finding the Fourth Proportional to 539,552.90, 808,681.35 and 223,847.30

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Solution

The fourth proportional to 539,552.90, 808,681.35 and 223,847.30 is: 335,502.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,552.90 : 808,681.35 = 223,847.30 : x
  2. Step 2: Convert to fraction form
    539,552.90/808,681.35 = 223,847.30/x
  3. Step 3: Cross multiply
    539,552.90x = 808,681.35 × 223,847.30
  4. Step 4: Simplify right side
    539,552.90x = 181,021,136,757.86
  5. Step 5: Solve for x
    x = 181,021,136,757.86/539,552.90
  6. Step 6: Final answer
    x = 335,502.11

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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.