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Finding the Fourth Proportional to 529,240.27, 730,298.86 and 299,751.76

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Solution

The fourth proportional to 529,240.27, 730,298.86 and 299,751.76 is: 413,627.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,240.27 : 730,298.86 = 299,751.76 : x
  2. Step 2: Convert to fraction form
    529,240.27/730,298.86 = 299,751.76/x
  3. Step 3: Cross multiply
    529,240.27x = 730,298.86 × 299,751.76
  4. Step 4: Simplify right side
    529,240.27x = 218,908,369,898.56
  5. Step 5: Solve for x
    x = 218,908,369,898.56/529,240.27
  6. Step 6: Final answer
    x = 413,627.58

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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.