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Finding the Fourth Proportional to 460,036.58, 634,805.96 and 339,242.90

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Solution

The fourth proportional to 460,036.58, 634,805.96 and 339,242.90 is: 468,122.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,036.58 : 634,805.96 = 339,242.90 : x
  2. Step 2: Convert to fraction form
    460,036.58/634,805.96 = 339,242.90/x
  3. Step 3: Cross multiply
    460,036.58x = 634,805.96 × 339,242.90
  4. Step 4: Simplify right side
    460,036.58x = 215,353,417,242.81
  5. Step 5: Solve for x
    x = 215,353,417,242.81/460,036.58
  6. Step 6: Final answer
    x = 468,122.37

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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.