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Finding the Fourth Proportional to 616,595.79, 850,895.76 and 361,897.77

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Solution

The fourth proportional to 616,595.79, 850,895.76 and 361,897.77 is: 499,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,595.79 : 850,895.76 = 361,897.77 : x
  2. Step 2: Convert to fraction form
    616,595.79/850,895.76 = 361,897.77/x
  3. Step 3: Cross multiply
    616,595.79x = 850,895.76 × 361,897.77
  4. Step 4: Simplify right side
    616,595.79x = 307,937,278,046.46
  5. Step 5: Solve for x
    x = 307,937,278,046.46/616,595.79
  6. Step 6: Final answer
    x = 499,415.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.