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Finding the Fourth Proportional to 477,427.53, 716,150.10 and 382,215.57

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Solution

The fourth proportional to 477,427.53, 716,150.10 and 382,215.57 is: 573,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,427.53 : 716,150.10 = 382,215.57 : x
  2. Step 2: Convert to fraction form
    477,427.53/716,150.10 = 382,215.57/x
  3. Step 3: Cross multiply
    477,427.53x = 716,150.10 × 382,215.57
  4. Step 4: Simplify right side
    477,427.53x = 273,723,718,677.06
  5. Step 5: Solve for x
    x = 273,723,718,677.06/477,427.53
  6. Step 6: Final answer
    x = 573,330.40

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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.