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Finding the Fourth Proportional to 374,455.80, 561,683.70 and 367,457.40

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Solution

The fourth proportional to 374,455.80, 561,683.70 and 367,457.40 is: 551,186.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,455.80 : 561,683.70 = 367,457.40 : x
  2. Step 2: Convert to fraction form
    374,455.80/561,683.70 = 367,457.40/x
  3. Step 3: Cross multiply
    374,455.80x = 561,683.70 × 367,457.40
  4. Step 4: Simplify right side
    374,455.80x = 206,394,832,024.38
  5. Step 5: Solve for x
    x = 206,394,832,024.38/374,455.80
  6. Step 6: Final answer
    x = 551,186.10

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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.