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Finding the Fourth Proportional to 506,554, 699,056.88 and 277,132.96

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Solution

The fourth proportional to 506,554, 699,056.88 and 277,132.96 is: 382,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,554 : 699,056.88 = 277,132.96 : x
  2. Step 2: Convert to fraction form
    506,554/699,056.88 = 277,132.96/x
  3. Step 3: Cross multiply
    506,554x = 699,056.88 × 277,132.96
  4. Step 4: Simplify right side
    506,554x = 193,731,702,362.77
  5. Step 5: Solve for x
    x = 193,731,702,362.77/506,554
  6. Step 6: Final answer
    x = 382,450.25

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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.