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Finding the Fourth Proportional to 309,530.40, 464,295.60 and 152,066.40

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Solution

The fourth proportional to 309,530.40, 464,295.60 and 152,066.40 is: 228,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,530.40 : 464,295.60 = 152,066.40 : x
  2. Step 2: Convert to fraction form
    309,530.40/464,295.60 = 152,066.40/x
  3. Step 3: Cross multiply
    309,530.40x = 464,295.60 × 152,066.40
  4. Step 4: Simplify right side
    309,530.40x = 70,603,760,427.84
  5. Step 5: Solve for x
    x = 70,603,760,427.84/309,530.40
  6. Step 6: Final answer
    x = 228,099.60

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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.