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Finding the Fourth Proportional to 301,983.60, 452,973.72 and 77,343.60

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Solution

The fourth proportional to 301,983.60, 452,973.72 and 77,343.60 is: 116,014.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,983.60 : 452,973.72 = 77,343.60 : x
  2. Step 2: Convert to fraction form
    301,983.60/452,973.72 = 77,343.60/x
  3. Step 3: Cross multiply
    301,983.60x = 452,973.72 × 77,343.60
  4. Step 4: Simplify right side
    301,983.60x = 35,034,618,210.19
  5. Step 5: Solve for x
    x = 35,034,618,210.19/301,983.60
  6. Step 6: Final answer
    x = 116,014.97

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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.