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Finding the Fourth Proportional to 583,297.60, 874,946.40 and 509,569.60

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Solution

The fourth proportional to 583,297.60, 874,946.40 and 509,569.60 is: 764,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,297.60 : 874,946.40 = 509,569.60 : x
  2. Step 2: Convert to fraction form
    583,297.60/874,946.40 = 509,569.60/x
  3. Step 3: Cross multiply
    583,297.60x = 874,946.40 × 509,569.60
  4. Step 4: Simplify right side
    583,297.60x = 445,846,087,069.44
  5. Step 5: Solve for x
    x = 445,846,087,069.44/583,297.60
  6. Step 6: Final answer
    x = 764,354.40

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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.