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Finding the Fourth Proportional to 357,255.91, 492,333.55 and 350,690.42

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Solution

The fourth proportional to 357,255.91, 492,333.55 and 350,690.42 is: 483,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,255.91 : 492,333.55 = 350,690.42 : x
  2. Step 2: Convert to fraction form
    357,255.91/492,333.55 = 350,690.42/x
  3. Step 3: Cross multiply
    357,255.91x = 492,333.55 × 350,690.42
  4. Step 4: Simplify right side
    357,255.91x = 172,656,657,014.32
  5. Step 5: Solve for x
    x = 172,656,657,014.32/357,255.91
  6. Step 6: Final answer
    x = 483,285.66

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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.