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Finding the Fourth Proportional to 602,872.10, 830,816.66 and 591,792.83

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Solution

The fourth proportional to 602,872.10, 830,816.66 and 591,792.83 is: 815,548.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,872.10 : 830,816.66 = 591,792.83 : x
  2. Step 2: Convert to fraction form
    602,872.10/830,816.66 = 591,792.83/x
  3. Step 3: Cross multiply
    602,872.10x = 830,816.66 × 591,792.83
  4. Step 4: Simplify right side
    602,872.10x = 491,671,339,473.58
  5. Step 5: Solve for x
    x = 491,671,339,473.58/602,872.10
  6. Step 6: Final answer
    x = 815,548.34

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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.