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Finding the Fourth Proportional to 460,038.71, 634,808.89 and 339,245.03

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Solution

The fourth proportional to 460,038.71, 634,808.89 and 339,245.03 is: 468,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,038.71 : 634,808.89 = 339,245.03 : x
  2. Step 2: Convert to fraction form
    460,038.71/634,808.89 = 339,245.03/x
  3. Step 3: Cross multiply
    460,038.71x = 634,808.89 × 339,245.03
  4. Step 4: Simplify right side
    460,038.71x = 215,355,760,932.32
  5. Step 5: Solve for x
    x = 215,355,760,932.32/460,038.71
  6. Step 6: Final answer
    x = 468,125.30

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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.