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Finding the Fourth Proportional to 358,743.87, 495,066.48 and 197,598.91

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Solution

The fourth proportional to 358,743.87, 495,066.48 and 197,598.91 is: 272,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,743.87 : 495,066.48 = 197,598.91 : x
  2. Step 2: Convert to fraction form
    358,743.87/495,066.48 = 197,598.91/x
  3. Step 3: Cross multiply
    358,743.87x = 495,066.48 × 197,598.91
  4. Step 4: Simplify right side
    358,743.87x = 97,824,596,825.54
  5. Step 5: Solve for x
    x = 97,824,596,825.54/358,743.87
  6. Step 6: Final answer
    x = 272,686.46

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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.