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Finding the Fourth Proportional to 434,073.60, 651,801.60 and 294,451.20

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Solution

The fourth proportional to 434,073.60, 651,801.60 and 294,451.20 is: 442,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,073.60 : 651,801.60 = 294,451.20 : x
  2. Step 2: Convert to fraction form
    434,073.60/651,801.60 = 294,451.20/x
  3. Step 3: Cross multiply
    434,073.60x = 651,801.60 × 294,451.20
  4. Step 4: Simplify right side
    434,073.60x = 191,923,763,281.92
  5. Step 5: Solve for x
    x = 191,923,763,281.92/434,073.60
  6. Step 6: Final answer
    x = 442,145.67

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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.