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Finding the Fourth Proportional to 524,392.74, 723,250.84 and 358,918.78

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Solution

The fourth proportional to 524,392.74, 723,250.84 and 358,918.78 is: 495,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,392.74 : 723,250.84 = 358,918.78 : x
  2. Step 2: Convert to fraction form
    524,392.74/723,250.84 = 358,918.78/x
  3. Step 3: Cross multiply
    524,392.74x = 723,250.84 × 358,918.78
  4. Step 4: Simplify right side
    524,392.74x = 259,588,309,126.78
  5. Step 5: Solve for x
    x = 259,588,309,126.78/524,392.74
  6. Step 6: Final answer
    x = 495,026.51

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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.