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Finding the Fourth Proportional to 622,145.60, 933,218.40 and 497,729.60

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Solution

The fourth proportional to 622,145.60, 933,218.40 and 497,729.60 is: 746,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,145.60 : 933,218.40 = 497,729.60 : x
  2. Step 2: Convert to fraction form
    622,145.60/933,218.40 = 497,729.60/x
  3. Step 3: Cross multiply
    622,145.60x = 933,218.40 × 497,729.60
  4. Step 4: Simplify right side
    622,145.60x = 464,490,420,944.64
  5. Step 5: Solve for x
    x = 464,490,420,944.64/622,145.60
  6. Step 6: Final answer
    x = 746,594.40

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Double scale
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Similar ratio
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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.