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Finding the Fourth Proportional to 651,539.54, 899,123.94 and 365,061.68

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Solution

The fourth proportional to 651,539.54, 899,123.94 and 365,061.68 is: 503,784.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,539.54 : 899,123.94 = 365,061.68 : x
  2. Step 2: Convert to fraction form
    651,539.54/899,123.94 = 365,061.68/x
  3. Step 3: Cross multiply
    651,539.54x = 899,123.94 × 365,061.68
  4. Step 4: Simplify right side
    651,539.54x = 328,235,691,569.00
  5. Step 5: Solve for x
    x = 328,235,691,569.00/651,539.54
  6. Step 6: Final answer
    x = 503,784.77

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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.