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Finding the Fourth Proportional to 455,951.03, 680,587.88 and 402,083.69

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Solution

The fourth proportional to 455,951.03, 680,587.88 and 402,083.69 is: 600,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,951.03 : 680,587.88 = 402,083.69 : x
  2. Step 2: Convert to fraction form
    455,951.03/680,587.88 = 402,083.69/x
  3. Step 3: Cross multiply
    455,951.03x = 680,587.88 × 402,083.69
  4. Step 4: Simplify right side
    455,951.03x = 273,653,280,746.32
  5. Step 5: Solve for x
    x = 273,653,280,746.32/455,951.03
  6. Step 6: Final answer
    x = 600,181.30

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.