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Finding the Fourth Proportional to 573,505.60, 860,258.40 and 433,537.60

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Solution

The fourth proportional to 573,505.60, 860,258.40 and 433,537.60 is: 650,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,505.60 : 860,258.40 = 433,537.60 : x
  2. Step 2: Convert to fraction form
    573,505.60/860,258.40 = 433,537.60/x
  3. Step 3: Cross multiply
    573,505.60x = 860,258.40 × 433,537.60
  4. Step 4: Simplify right side
    573,505.60x = 372,954,362,115.84
  5. Step 5: Solve for x
    x = 372,954,362,115.84/573,505.60
  6. Step 6: Final answer
    x = 650,306.40

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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.