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Finding the Fourth Proportional to 602,817.66, 904,364.46 and 261,318.15

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Solution

The fourth proportional to 602,817.66, 904,364.46 and 261,318.15 is: 392,037.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,817.66 : 904,364.46 = 261,318.15 : x
  2. Step 2: Convert to fraction form
    602,817.66/904,364.46 = 261,318.15/x
  3. Step 3: Cross multiply
    602,817.66x = 904,364.46 × 261,318.15
  4. Step 4: Simplify right side
    602,817.66x = 236,326,847,612.95
  5. Step 5: Solve for x
    x = 236,326,847,612.95/602,817.66
  6. Step 6: Final answer
    x = 392,037.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.