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Finding the Fourth Proportional to 526,313.59, 726,312.22 and 284,595.55

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Solution

The fourth proportional to 526,313.59, 726,312.22 and 284,595.55 is: 392,741.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,313.59 : 726,312.22 = 284,595.55 : x
  2. Step 2: Convert to fraction form
    526,313.59/726,312.22 = 284,595.55/x
  3. Step 3: Cross multiply
    526,313.59x = 726,312.22 × 284,595.55
  4. Step 4: Simplify right side
    526,313.59x = 206,705,223,195.35
  5. Step 5: Solve for x
    x = 206,705,223,195.35/526,313.59
  6. Step 6: Final answer
    x = 392,741.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.