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Finding the Fourth Proportional to 484,702.17, 668,453.52 and 303,430.60

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Solution

The fourth proportional to 484,702.17, 668,453.52 and 303,430.60 is: 418,461.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,702.17 : 668,453.52 = 303,430.60 : x
  2. Step 2: Convert to fraction form
    484,702.17/668,453.52 = 303,430.60/x
  3. Step 3: Cross multiply
    484,702.17x = 668,453.52 × 303,430.60
  4. Step 4: Simplify right side
    484,702.17x = 202,829,252,645.71
  5. Step 5: Solve for x
    x = 202,829,252,645.71/484,702.17
  6. Step 6: Final answer
    x = 418,461.61

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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.