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Finding the Fourth Proportional to 692,331.95, 955,418.55 and 382,234.79

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Solution

The fourth proportional to 692,331.95, 955,418.55 and 382,234.79 is: 527,484.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,331.95 : 955,418.55 = 382,234.79 : x
  2. Step 2: Convert to fraction form
    692,331.95/955,418.55 = 382,234.79/x
  3. Step 3: Cross multiply
    692,331.95x = 955,418.55 × 382,234.79
  4. Step 4: Simplify right side
    692,331.95x = 365,194,208,821.36
  5. Step 5: Solve for x
    x = 365,194,208,821.36/692,331.95
  6. Step 6: Final answer
    x = 527,484.26

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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.