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Finding the Fourth Proportional to 358,998.12, 495,415.78 and 197,852.82

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Solution

The fourth proportional to 358,998.12, 495,415.78 and 197,852.82 is: 273,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,998.12 : 495,415.78 = 197,852.82 : x
  2. Step 2: Convert to fraction form
    358,998.12/495,415.78 = 197,852.82/x
  3. Step 3: Cross multiply
    358,998.12x = 495,415.78 × 197,852.82
  4. Step 4: Simplify right side
    358,998.12x = 98,019,409,145.50
  5. Step 5: Solve for x
    x = 98,019,409,145.50/358,998.12
  6. Step 6: Final answer
    x = 273,036.00

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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.