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Finding the Fourth Proportional to 358,707.45, 495,019.44 and 197,568.08

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Solution

The fourth proportional to 358,707.45, 495,019.44 and 197,568.08 is: 272,645.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,707.45 : 495,019.44 = 197,568.08 : x
  2. Step 2: Convert to fraction form
    358,707.45/495,019.44 = 197,568.08/x
  3. Step 3: Cross multiply
    358,707.45x = 495,019.44 × 197,568.08
  4. Step 4: Simplify right side
    358,707.45x = 97,800,037,848.38
  5. Step 5: Solve for x
    x = 97,800,037,848.38/358,707.45
  6. Step 6: Final answer
    x = 272,645.68

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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.