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Finding the Fourth Proportional to 501,969.30, 692,718.66 and 272,526.86

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Solution

The fourth proportional to 501,969.30, 692,718.66 and 272,526.86 is: 376,087.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,969.30 : 692,718.66 = 272,526.86 : x
  2. Step 2: Convert to fraction form
    501,969.30/692,718.66 = 272,526.86/x
  3. Step 3: Cross multiply
    501,969.30x = 692,718.66 × 272,526.86
  4. Step 4: Simplify right side
    501,969.30x = 188,784,437,809.61
  5. Step 5: Solve for x
    x = 188,784,437,809.61/501,969.30
  6. Step 6: Final answer
    x = 376,087.62

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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.