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Finding the Fourth Proportional to 470,245.60, 705,368.40 and 463,247.20

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Solution

The fourth proportional to 470,245.60, 705,368.40 and 463,247.20 is: 694,870.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,245.60 : 705,368.40 = 463,247.20 : x
  2. Step 2: Convert to fraction form
    470,245.60/705,368.40 = 463,247.20/x
  3. Step 3: Cross multiply
    470,245.60x = 705,368.40 × 463,247.20
  4. Step 4: Simplify right side
    470,245.60x = 326,759,936,268.48
  5. Step 5: Solve for x
    x = 326,759,936,268.48/470,245.60
  6. Step 6: Final answer
    x = 694,870.80

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Similar ratio
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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.