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Finding the Fourth Proportional to 365,135.60, 547,703.40 and 207,671.60

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Solution

The fourth proportional to 365,135.60, 547,703.40 and 207,671.60 is: 311,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,135.60 : 547,703.40 = 207,671.60 : x
  2. Step 2: Convert to fraction form
    365,135.60/547,703.40 = 207,671.60/x
  3. Step 3: Cross multiply
    365,135.60x = 547,703.40 × 207,671.60
  4. Step 4: Simplify right side
    365,135.60x = 113,742,441,403.44
  5. Step 5: Solve for x
    x = 113,742,441,403.44/365,135.60
  6. Step 6: Final answer
    x = 311,507.40

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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.