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Finding the Fourth Proportional to 382,334.40, 573,501.60 and 289,022.40

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Solution

The fourth proportional to 382,334.40, 573,501.60 and 289,022.40 is: 433,533.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,334.40 : 573,501.60 = 289,022.40 : x
  2. Step 2: Convert to fraction form
    382,334.40/573,501.60 = 289,022.40/x
  3. Step 3: Cross multiply
    382,334.40x = 573,501.60 × 289,022.40
  4. Step 4: Simplify right side
    382,334.40x = 165,754,808,835.84
  5. Step 5: Solve for x
    x = 165,754,808,835.84/382,334.40
  6. Step 6: Final answer
    x = 433,533.60

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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.