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Finding the Fourth Proportional to 653,154.60, 901,291.14 and 366,609

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Solution

The fourth proportional to 653,154.60, 901,291.14 and 366,609 is: 505,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,154.60 : 901,291.14 = 366,609 : x
  2. Step 2: Convert to fraction form
    653,154.60/901,291.14 = 366,609/x
  3. Step 3: Cross multiply
    653,154.60x = 901,291.14 × 366,609
  4. Step 4: Simplify right side
    653,154.60x = 330,421,443,544.26
  5. Step 5: Solve for x
    x = 330,421,443,544.26/653,154.60
  6. Step 6: Final answer
    x = 505,885.50

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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.