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Finding the Fourth Proportional to 492,101.80, 736,403.10 and 341,636.20

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Solution

The fourth proportional to 492,101.80, 736,403.10 and 341,636.20 is: 511,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,101.80 : 736,403.10 = 341,636.20 : x
  2. Step 2: Convert to fraction form
    492,101.80/736,403.10 = 341,636.20/x
  3. Step 3: Cross multiply
    492,101.80x = 736,403.10 × 341,636.20
  4. Step 4: Simplify right side
    492,101.80x = 251,581,956,752.22
  5. Step 5: Solve for x
    x = 251,581,956,752.22/492,101.80
  6. Step 6: Final answer
    x = 511,239.66

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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.