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Finding the Fourth Proportional to 506,076.01, 698,384.93 and 276,634.21

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Solution

The fourth proportional to 506,076.01, 698,384.93 and 276,634.21 is: 381,755.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,076.01 : 698,384.93 = 276,634.21 : x
  2. Step 2: Convert to fraction form
    506,076.01/698,384.93 = 276,634.21/x
  3. Step 3: Cross multiply
    506,076.01x = 698,384.93 × 276,634.21
  4. Step 4: Simplify right side
    506,076.01x = 193,197,163,386.46
  5. Step 5: Solve for x
    x = 193,197,163,386.46/506,076.01
  6. Step 6: Final answer
    x = 381,755.23

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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.