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Finding the Fourth Proportional to 602,549.52, 831,592.08 and 347,900.28

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Solution

The fourth proportional to 602,549.52, 831,592.08 and 347,900.28 is: 480,144.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,549.52 : 831,592.08 = 347,900.28 : x
  2. Step 2: Convert to fraction form
    602,549.52/831,592.08 = 347,900.28/x
  3. Step 3: Cross multiply
    602,549.52x = 831,592.08 × 347,900.28
  4. Step 4: Simplify right side
    602,549.52x = 289,311,117,477.78
  5. Step 5: Solve for x
    x = 289,311,117,477.78/602,549.52
  6. Step 6: Final answer
    x = 480,144.96

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1.5x scale

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.