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Finding the Fourth Proportional to 616,334.52, 922,840.47 and 402,573.09

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Solution

The fourth proportional to 616,334.52, 922,840.47 and 402,573.09 is: 602,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,334.52 : 922,840.47 = 402,573.09 : x
  2. Step 2: Convert to fraction form
    616,334.52/922,840.47 = 402,573.09/x
  3. Step 3: Cross multiply
    616,334.52x = 922,840.47 × 402,573.09
  4. Step 4: Simplify right side
    616,334.52x = 371,510,739,584.95
  5. Step 5: Solve for x
    x = 371,510,739,584.95/616,334.52
  6. Step 6: Final answer
    x = 602,774.51

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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.