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Finding the Fourth Proportional to 358,816.66, 495,173.32 and 197,670.60

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Solution

The fourth proportional to 358,816.66, 495,173.32 and 197,670.60 is: 272,788.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,816.66 : 495,173.32 = 197,670.60 : x
  2. Step 2: Convert to fraction form
    358,816.66/495,173.32 = 197,670.60/x
  3. Step 3: Cross multiply
    358,816.66x = 495,173.32 × 197,670.60
  4. Step 4: Simplify right side
    358,816.66x = 97,881,206,774.22
  5. Step 5: Solve for x
    x = 97,881,206,774.22/358,816.66
  6. Step 6: Final answer
    x = 272,788.92

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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.