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Finding the Fourth Proportional to 602,603.48, 831,590.50 and 330,675.92

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Solution

The fourth proportional to 602,603.48, 831,590.50 and 330,675.92 is: 456,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,603.48 : 831,590.50 = 330,675.92 : x
  2. Step 2: Convert to fraction form
    602,603.48/831,590.50 = 330,675.92/x
  3. Step 3: Cross multiply
    602,603.48x = 831,590.50 × 330,675.92
  4. Step 4: Simplify right side
    602,603.48x = 274,986,953,650.76
  5. Step 5: Solve for x
    x = 274,986,953,650.76/602,603.48
  6. Step 6: Final answer
    x = 456,331.51

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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.