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Finding the Fourth Proportional to 602,566.80, 831,534.90 and 347,912.52

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Solution

The fourth proportional to 602,566.80, 831,534.90 and 347,912.52 is: 480,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,566.80 : 831,534.90 = 347,912.52 : x
  2. Step 2: Convert to fraction form
    602,566.80/831,534.90 = 347,912.52/x
  3. Step 3: Cross multiply
    602,566.80x = 831,534.90 × 347,912.52
  4. Step 4: Simplify right side
    602,566.80x = 289,301,402,526.95
  5. Step 5: Solve for x
    x = 289,301,402,526.95/602,566.80
  6. Step 6: Final answer
    x = 480,115.07

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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.