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Finding the Fourth Proportional to 354,342.36, 488,996.28 and 193,196.10

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Solution

The fourth proportional to 354,342.36, 488,996.28 and 193,196.10 is: 266,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,342.36 : 488,996.28 = 193,196.10 : x
  2. Step 2: Convert to fraction form
    354,342.36/488,996.28 = 193,196.10/x
  3. Step 3: Cross multiply
    354,342.36x = 488,996.28 × 193,196.10
  4. Step 4: Simplify right side
    354,342.36x = 94,472,174,210.51
  5. Step 5: Solve for x
    x = 94,472,174,210.51/354,342.36
  6. Step 6: Final answer
    x = 266,612.70

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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.