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Finding the Fourth Proportional to 569,632.80, 854,497.80 and 148,908

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Solution

The fourth proportional to 569,632.80, 854,497.80 and 148,908 is: 223,374.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,632.80 : 854,497.80 = 148,908 : x
  2. Step 2: Convert to fraction form
    569,632.80/854,497.80 = 148,908/x
  3. Step 3: Cross multiply
    569,632.80x = 854,497.80 × 148,908
  4. Step 4: Simplify right side
    569,632.80x = 127,241,558,402.40
  5. Step 5: Solve for x
    x = 127,241,558,402.40/569,632.80
  6. Step 6: Final answer
    x = 223,374.70

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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.