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Finding the Fourth Proportional to 536,643.60, 804,965.40 and 241,731.60

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Solution

The fourth proportional to 536,643.60, 804,965.40 and 241,731.60 is: 362,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,643.60 : 804,965.40 = 241,731.60 : x
  2. Step 2: Convert to fraction form
    536,643.60/804,965.40 = 241,731.60/x
  3. Step 3: Cross multiply
    536,643.60x = 804,965.40 × 241,731.60
  4. Step 4: Simplify right side
    536,643.60x = 194,585,574,086.64
  5. Step 5: Solve for x
    x = 194,585,574,086.64/536,643.60
  6. Step 6: Final answer
    x = 362,597.40

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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.