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Finding the Fourth Proportional to 506,966.45, 699,592.61 and 277,518.02

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Solution

The fourth proportional to 506,966.45, 699,592.61 and 277,518.02 is: 382,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,966.45 : 699,592.61 = 277,518.02 : x
  2. Step 2: Convert to fraction form
    506,966.45/699,592.61 = 277,518.02/x
  3. Step 3: Cross multiply
    506,966.45x = 699,592.61 × 277,518.02
  4. Step 4: Simplify right side
    506,966.45x = 194,149,553,129.66
  5. Step 5: Solve for x
    x = 194,149,553,129.66/506,966.45
  6. Step 6: Final answer
    x = 382,963.32

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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.