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Finding the Fourth Proportional to 492,079.86, 736,445.66 and 302,440.23

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Solution

The fourth proportional to 492,079.86, 736,445.66 and 302,440.23 is: 452,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,079.86 : 736,445.66 = 302,440.23 : x
  2. Step 2: Convert to fraction form
    492,079.86/736,445.66 = 302,440.23/x
  3. Step 3: Cross multiply
    492,079.86x = 736,445.66 × 302,440.23
  4. Step 4: Simplify right side
    492,079.86x = 222,730,793,280.70
  5. Step 5: Solve for x
    x = 222,730,793,280.70/492,079.86
  6. Step 6: Final answer
    x = 452,631.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.