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Finding the Fourth Proportional to 358,946.59, 495,349.63 and 197,807.42

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Solution

The fourth proportional to 358,946.59, 495,349.63 and 197,807.42 is: 272,976.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,946.59 : 495,349.63 = 197,807.42 : x
  2. Step 2: Convert to fraction form
    358,946.59/495,349.63 = 197,807.42/x
  3. Step 3: Cross multiply
    358,946.59x = 495,349.63 × 197,807.42
  4. Step 4: Simplify right side
    358,946.59x = 97,983,830,265.77
  5. Step 5: Solve for x
    x = 97,983,830,265.77/358,946.59
  6. Step 6: Final answer
    x = 272,976.07

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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.