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Finding the Fourth Proportional to 501,891.18, 692,614.86 and 272,450.28

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Solution

The fourth proportional to 501,891.18, 692,614.86 and 272,450.28 is: 375,984.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,891.18 : 692,614.86 = 272,450.28 : x
  2. Step 2: Convert to fraction form
    501,891.18/692,614.86 = 272,450.28/x
  3. Step 3: Cross multiply
    501,891.18x = 692,614.86 × 272,450.28
  4. Step 4: Simplify right side
    501,891.18x = 188,703,112,539.16
  5. Step 5: Solve for x
    x = 188,703,112,539.16/501,891.18
  6. Step 6: Final answer
    x = 375,984.12

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1.5x scale

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.