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Finding the Fourth Proportional to 370,003.02, 510,702.86 and 208,952.34

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Solution

The fourth proportional to 370,003.02, 510,702.86 and 208,952.34 is: 288,409.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,003.02 : 510,702.86 = 208,952.34 : x
  2. Step 2: Convert to fraction form
    370,003.02/510,702.86 = 208,952.34/x
  3. Step 3: Cross multiply
    370,003.02x = 510,702.86 × 208,952.34
  4. Step 4: Simplify right side
    370,003.02x = 106,712,557,641.69
  5. Step 5: Solve for x
    x = 106,712,557,641.69/370,003.02
  6. Step 6: Final answer
    x = 288,409.96

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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.