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Finding the Fourth Proportional to 403,763.35, 604,897.80 and 235,364.35

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Solution

The fourth proportional to 403,763.35, 604,897.80 and 235,364.35 is: 352,610.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,763.35 : 604,897.80 = 235,364.35 : x
  2. Step 2: Convert to fraction form
    403,763.35/604,897.80 = 235,364.35/x
  3. Step 3: Cross multiply
    403,763.35x = 604,897.80 × 235,364.35
  4. Step 4: Simplify right side
    403,763.35x = 142,371,377,513.43
  5. Step 5: Solve for x
    x = 142,371,377,513.43/403,763.35
  6. Step 6: Final answer
    x = 352,610.95

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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.