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Finding the Fourth Proportional to 358,952.07, 495,357.11 and 197,812.89

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Solution

The fourth proportional to 358,952.07, 495,357.11 and 197,812.89 is: 272,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,952.07 : 495,357.11 = 197,812.89 : x
  2. Step 2: Convert to fraction form
    358,952.07/495,357.11 = 197,812.89/x
  3. Step 3: Cross multiply
    358,952.07x = 495,357.11 × 197,812.89
  4. Step 4: Simplify right side
    358,952.07x = 97,988,020,522.08
  5. Step 5: Solve for x
    x = 97,988,020,522.08/358,952.07
  6. Step 6: Final answer
    x = 272,983.58

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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.