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Finding the Fourth Proportional to 562,702.64, 776,529.54 and 304,579.53

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Solution

The fourth proportional to 562,702.64, 776,529.54 and 304,579.53 is: 420,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,702.64 : 776,529.54 = 304,579.53 : x
  2. Step 2: Convert to fraction form
    562,702.64/776,529.54 = 304,579.53/x
  3. Step 3: Cross multiply
    562,702.64x = 776,529.54 × 304,579.53
  4. Step 4: Simplify right side
    562,702.64x = 236,515,002,324.32
  5. Step 5: Solve for x
    x = 236,515,002,324.32/562,702.64
  6. Step 6: Final answer
    x = 420,319.70

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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.