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Finding the Fourth Proportional to 653,166.60, 901,307.70 and 366,621

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Solution

The fourth proportional to 653,166.60, 901,307.70 and 366,621 is: 505,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,166.60 : 901,307.70 = 366,621 : x
  2. Step 2: Convert to fraction form
    653,166.60/901,307.70 = 366,621/x
  3. Step 3: Cross multiply
    653,166.60x = 901,307.70 × 366,621
  4. Step 4: Simplify right side
    653,166.60x = 330,438,330,281.70
  5. Step 5: Solve for x
    x = 330,438,330,281.70/653,166.60
  6. Step 6: Final answer
    x = 505,902.06

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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.