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Finding the Fourth Proportional to 358,891.32, 495,270.58 and 195,547.08

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Solution

The fourth proportional to 358,891.32, 495,270.58 and 195,547.08 is: 269,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,891.32 : 495,270.58 = 195,547.08 : x
  2. Step 2: Convert to fraction form
    358,891.32/495,270.58 = 195,547.08/x
  3. Step 3: Cross multiply
    358,891.32x = 495,270.58 × 195,547.08
  4. Step 4: Simplify right side
    358,891.32x = 96,848,715,728.91
  5. Step 5: Solve for x
    x = 96,848,715,728.91/358,891.32
  6. Step 6: Final answer
    x = 269,855.27

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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.