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Finding the Fourth Proportional to 552,667.68, 829,019.28 and 153,312.48

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Solution

The fourth proportional to 552,667.68, 829,019.28 and 153,312.48 is: 229,973.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,667.68 : 829,019.28 = 153,312.48 : x
  2. Step 2: Convert to fraction form
    552,667.68/829,019.28 = 153,312.48/x
  3. Step 3: Cross multiply
    552,667.68x = 829,019.28 × 153,312.48
  4. Step 4: Simplify right side
    552,667.68x = 127,099,001,784.61
  5. Step 5: Solve for x
    x = 127,099,001,784.61/552,667.68
  6. Step 6: Final answer
    x = 229,973.65

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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.