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Finding the Fourth Proportional to 429,521.79, 592,723.83 and 238,547.48

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Solution

The fourth proportional to 429,521.79, 592,723.83 and 238,547.48 is: 329,186.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,521.79 : 592,723.83 = 238,547.48 : x
  2. Step 2: Convert to fraction form
    429,521.79/592,723.83 = 238,547.48/x
  3. Step 3: Cross multiply
    429,521.79x = 592,723.83 × 238,547.48
  4. Step 4: Simplify right side
    429,521.79x = 141,392,775,982.45
  5. Step 5: Solve for x
    x = 141,392,775,982.45/429,521.79
  6. Step 6: Final answer
    x = 329,186.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.