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Finding the Fourth Proportional to 374,053.60, 561,080.40 and 234,085.60

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Solution

The fourth proportional to 374,053.60, 561,080.40 and 234,085.60 is: 351,128.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,053.60 : 561,080.40 = 234,085.60 : x
  2. Step 2: Convert to fraction form
    374,053.60/561,080.40 = 234,085.60/x
  3. Step 3: Cross multiply
    374,053.60x = 561,080.40 × 234,085.60
  4. Step 4: Simplify right side
    374,053.60x = 131,340,842,082.24
  5. Step 5: Solve for x
    x = 131,340,842,082.24/374,053.60
  6. Step 6: Final answer
    x = 351,128.40

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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.