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Finding the Fourth Proportional to 501,775.74, 692,444.66 and 272,333.43

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Solution

The fourth proportional to 501,775.74, 692,444.66 and 272,333.43 is: 375,816.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,775.74 : 692,444.66 = 272,333.43 : x
  2. Step 2: Convert to fraction form
    501,775.74/692,444.66 = 272,333.43/x
  3. Step 3: Cross multiply
    501,775.74x = 692,444.66 × 272,333.43
  4. Step 4: Simplify right side
    501,775.74x = 188,575,827,981.32
  5. Step 5: Solve for x
    x = 188,575,827,981.32/501,775.74
  6. Step 6: Final answer
    x = 375,816.95

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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.