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Finding the Fourth Proportional to 313,459.80, 432,583.10 and 184,407.36

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Solution

The fourth proportional to 313,459.80, 432,583.10 and 184,407.36 is: 254,487.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,459.80 : 432,583.10 = 184,407.36 : x
  2. Step 2: Convert to fraction form
    313,459.80/432,583.10 = 184,407.36/x
  3. Step 3: Cross multiply
    313,459.80x = 432,583.10 × 184,407.36
  4. Step 4: Simplify right side
    313,459.80x = 79,771,507,451.62
  5. Step 5: Solve for x
    x = 79,771,507,451.62/313,459.80
  6. Step 6: Final answer
    x = 254,487.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.