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Finding the Fourth Proportional to 653,355.60, 901,567.98 and 366,810

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Solution

The fourth proportional to 653,355.60, 901,567.98 and 366,810 is: 506,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,355.60 : 901,567.98 = 366,810 : x
  2. Step 2: Convert to fraction form
    653,355.60/901,567.98 = 366,810/x
  3. Step 3: Cross multiply
    653,355.60x = 901,567.98 × 366,810
  4. Step 4: Simplify right side
    653,355.60x = 330,704,150,743.80
  5. Step 5: Solve for x
    x = 330,704,150,743.80/653,355.60
  6. Step 6: Final answer
    x = 506,162.57

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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.