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Finding the Fourth Proportional to 374,622.60, 561,933.90 and 368,401.80

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Solution

The fourth proportional to 374,622.60, 561,933.90 and 368,401.80 is: 552,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,622.60 : 561,933.90 = 368,401.80 : x
  2. Step 2: Convert to fraction form
    374,622.60/561,933.90 = 368,401.80/x
  3. Step 3: Cross multiply
    374,622.60x = 561,933.90 × 368,401.80
  4. Step 4: Simplify right side
    374,622.60x = 207,017,460,241.02
  5. Step 5: Solve for x
    x = 207,017,460,241.02/374,622.60
  6. Step 6: Final answer
    x = 552,602.70

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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.