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Finding the Fourth Proportional to 602,845.69, 831,928.24 and 357,879.58

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Solution

The fourth proportional to 602,845.69, 831,928.24 and 357,879.58 is: 493,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,845.69 : 831,928.24 = 357,879.58 : x
  2. Step 2: Convert to fraction form
    602,845.69/831,928.24 = 357,879.58/x
  3. Step 3: Cross multiply
    602,845.69x = 831,928.24 × 357,879.58
  4. Step 4: Simplify right side
    602,845.69x = 297,730,125,475.80
  5. Step 5: Solve for x
    x = 297,730,125,475.80/602,845.69
  6. Step 6: Final answer
    x = 493,874.52

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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.