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Finding the Fourth Proportional to 572,473.60, 862,825.26 and 493,465.18

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Solution

The fourth proportional to 572,473.60, 862,825.26 and 493,465.18 is: 743,744.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,473.60 : 862,825.26 = 493,465.18 : x
  2. Step 2: Convert to fraction form
    572,473.60/862,825.26 = 493,465.18/x
  3. Step 3: Cross multiply
    572,473.60x = 862,825.26 × 493,465.18
  4. Step 4: Simplify right side
    572,473.60x = 425,774,222,234.45
  5. Step 5: Solve for x
    x = 425,774,222,234.45/572,473.60
  6. Step 6: Final answer
    x = 743,744.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.