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Finding the Fourth Proportional to 403,169,866.80, 604,866,774.60 and 173,249,098.80

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Solution

The fourth proportional to 403,169,866.80, 604,866,774.60 and 173,249,098.80 is: 259,921,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,169,866.80 : 604,866,774.60 = 173,249,098.80 : x
  2. Step 2: Convert to fraction form
    403,169,866.80/604,866,774.60 = 173,249,098.80/x
  3. Step 3: Cross multiply
    403,169,866.80x = 604,866,774.60 × 173,249,098.80
  4. Step 4: Simplify right side
    403,169,866.80x = 104,792,623,593,512,736
  5. Step 5: Solve for x
    x = 104,792,623,593,512,736/403,169,866.80
  6. Step 6: Final answer
    x = 259,921,765.55

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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.