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Finding the Fourth Proportional to 302,009.60, 452,899.20 and 91,577.60

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Solution

The fourth proportional to 302,009.60, 452,899.20 and 91,577.60 is: 137,331.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,009.60 : 452,899.20 = 91,577.60 : x
  2. Step 2: Convert to fraction form
    302,009.60/452,899.20 = 91,577.60/x
  3. Step 3: Cross multiply
    302,009.60x = 452,899.20 × 91,577.60
  4. Step 4: Simplify right side
    302,009.60x = 41,475,421,777.92
  5. Step 5: Solve for x
    x = 41,475,421,777.92/302,009.60
  6. Step 6: Final answer
    x = 137,331.47

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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.