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Finding the Fourth Proportional to 615,702.24, 849,444.71 and 361,004.22

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Solution

The fourth proportional to 615,702.24, 849,444.71 and 361,004.22 is: 498,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,702.24 : 849,444.71 = 361,004.22 : x
  2. Step 2: Convert to fraction form
    615,702.24/849,444.71 = 361,004.22/x
  3. Step 3: Cross multiply
    615,702.24x = 849,444.71 × 361,004.22
  4. Step 4: Simplify right side
    615,702.24x = 306,653,123,161.66
  5. Step 5: Solve for x
    x = 306,653,123,161.66/615,702.24
  6. Step 6: Final answer
    x = 498,054.26

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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.