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Finding the Fourth Proportional to 434,465.20, 651,697.80 and 293,460.40

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Solution

The fourth proportional to 434,465.20, 651,697.80 and 293,460.40 is: 440,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,465.20 : 651,697.80 = 293,460.40 : x
  2. Step 2: Convert to fraction form
    434,465.20/651,697.80 = 293,460.40/x
  3. Step 3: Cross multiply
    434,465.20x = 651,697.80 × 293,460.40
  4. Step 4: Simplify right side
    434,465.20x = 191,247,497,067.12
  5. Step 5: Solve for x
    x = 191,247,497,067.12/434,465.20
  6. Step 6: Final answer
    x = 440,190.60

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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.