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Finding the Fourth Proportional to 366,883.30, 549,644.55 and 208,641.70

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Solution

The fourth proportional to 366,883.30, 549,644.55 and 208,641.70 is: 312,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,883.30 : 549,644.55 = 208,641.70 : x
  2. Step 2: Convert to fraction form
    366,883.30/549,644.55 = 208,641.70/x
  3. Step 3: Cross multiply
    366,883.30x = 549,644.55 × 208,641.70
  4. Step 4: Simplify right side
    366,883.30x = 114,678,773,307.74
  5. Step 5: Solve for x
    x = 114,678,773,307.74/366,883.30
  6. Step 6: Final answer
    x = 312,575.62

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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.