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Finding the Fourth Proportional to 602,817, 831,887.46 and 334,545

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Solution

The fourth proportional to 602,817, 831,887.46 and 334,545 is: 461,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,817 : 831,887.46 = 334,545 : x
  2. Step 2: Convert to fraction form
    602,817/831,887.46 = 334,545/x
  3. Step 3: Cross multiply
    602,817x = 831,887.46 × 334,545
  4. Step 4: Simplify right side
    602,817x = 278,303,790,305.70
  5. Step 5: Solve for x
    x = 278,303,790,305.70/602,817
  6. Step 6: Final answer
    x = 461,672.10

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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.