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Finding the Fourth Proportional to 569,681.30, 854,570.73 and 148,956.50

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Solution

The fourth proportional to 569,681.30, 854,570.73 and 148,956.50 is: 223,447.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,681.30 : 854,570.73 = 148,956.50 : x
  2. Step 2: Convert to fraction form
    569,681.30/854,570.73 = 148,956.50/x
  3. Step 3: Cross multiply
    569,681.30x = 854,570.73 × 148,956.50
  4. Step 4: Simplify right side
    569,681.30x = 127,293,864,943.25
  5. Step 5: Solve for x
    x = 127,293,864,943.25/569,681.30
  6. Step 6: Final answer
    x = 223,447.50

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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.