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Finding the Fourth Proportional to 657,678.90, 986,445.45 and 184,412.10

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Solution

The fourth proportional to 657,678.90, 986,445.45 and 184,412.10 is: 276,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,678.90 : 986,445.45 = 184,412.10 : x
  2. Step 2: Convert to fraction form
    657,678.90/986,445.45 = 184,412.10/x
  3. Step 3: Cross multiply
    657,678.90x = 986,445.45 × 184,412.10
  4. Step 4: Simplify right side
    657,678.90x = 181,912,476,969.95
  5. Step 5: Solve for x
    x = 181,912,476,969.95/657,678.90
  6. Step 6: Final answer
    x = 276,597.71

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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.