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Finding the Fourth Proportional to 429,554.40, 592,750.39 and 248,278.07

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Solution

The fourth proportional to 429,554.40, 592,750.39 and 248,278.07 is: 342,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,554.40 : 592,750.39 = 248,278.07 : x
  2. Step 2: Convert to fraction form
    429,554.40/592,750.39 = 248,278.07/x
  3. Step 3: Cross multiply
    429,554.40x = 592,750.39 × 248,278.07
  4. Step 4: Simplify right side
    429,554.40x = 147,166,922,820.95
  5. Step 5: Solve for x
    x = 147,166,922,820.95/429,554.40
  6. Step 6: Final answer
    x = 342,603.69

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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.