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Finding the Fourth Proportional to 429,411.70, 592,661.03 and 248,228.66

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Solution

The fourth proportional to 429,411.70, 592,661.03 and 248,228.66 is: 342,597.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,411.70 : 592,661.03 = 248,228.66 : x
  2. Step 2: Convert to fraction form
    429,411.70/592,661.03 = 248,228.66/x
  3. Step 3: Cross multiply
    429,411.70x = 592,661.03 × 248,228.66
  4. Step 4: Simplify right side
    429,411.70x = 147,115,452,903.60
  5. Step 5: Solve for x
    x = 147,115,452,903.60/429,411.70
  6. Step 6: Final answer
    x = 342,597.68

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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.