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Finding the Fourth Proportional to 493,749.84, 681,373.32 and 267,395.28

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Solution

The fourth proportional to 493,749.84, 681,373.32 and 267,395.28 is: 369,004.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,749.84 : 681,373.32 = 267,395.28 : x
  2. Step 2: Convert to fraction form
    493,749.84/681,373.32 = 267,395.28/x
  3. Step 3: Cross multiply
    493,749.84x = 681,373.32 × 267,395.28
  4. Step 4: Simplify right side
    493,749.84x = 182,196,009,685.93
  5. Step 5: Solve for x
    x = 182,196,009,685.93/493,749.84
  6. Step 6: Final answer
    x = 369,004.70

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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.