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Finding the Fourth Proportional to 455,497.90, 683,246.85 and 366,924.40

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Solution

The fourth proportional to 455,497.90, 683,246.85 and 366,924.40 is: 550,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,497.90 : 683,246.85 = 366,924.40 : x
  2. Step 2: Convert to fraction form
    455,497.90/683,246.85 = 366,924.40/x
  3. Step 3: Cross multiply
    455,497.90x = 683,246.85 × 366,924.40
  4. Step 4: Simplify right side
    455,497.90x = 250,699,940,488.14
  5. Step 5: Solve for x
    x = 250,699,940,488.14/455,497.90
  6. Step 6: Final answer
    x = 550,386.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.