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Finding the Fourth Proportional to 418,582.31, 627,859.35 and 181,925.01

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Solution

The fourth proportional to 418,582.31, 627,859.35 and 181,925.01 is: 272,881.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,582.31 : 627,859.35 = 181,925.01 : x
  2. Step 2: Convert to fraction form
    418,582.31/627,859.35 = 181,925.01/x
  3. Step 3: Cross multiply
    418,582.31x = 627,859.35 × 181,925.01
  4. Step 4: Simplify right side
    418,582.31x = 114,223,318,527.34
  5. Step 5: Solve for x
    x = 114,223,318,527.34/418,582.31
  6. Step 6: Final answer
    x = 272,881.38

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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.