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Finding the Fourth Proportional to 358,730.53, 495,051.47 and 197,586.16

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Solution

The fourth proportional to 358,730.53, 495,051.47 and 197,586.16 is: 272,670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,730.53 : 495,051.47 = 197,586.16 : x
  2. Step 2: Convert to fraction form
    358,730.53/495,051.47 = 197,586.16/x
  3. Step 3: Cross multiply
    358,730.53x = 495,051.47 × 197,586.16
  4. Step 4: Simplify right side
    358,730.53x = 97,815,318,959.66
  5. Step 5: Solve for x
    x = 97,815,318,959.66/358,730.53
  6. Step 6: Final answer
    x = 272,670.74

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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.