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Finding the Fourth Proportional to 472,253.78, 651,464.69 and 299,876.82

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Solution

The fourth proportional to 472,253.78, 651,464.69 and 299,876.82 is: 413,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,253.78 : 651,464.69 = 299,876.82 : x
  2. Step 2: Convert to fraction form
    472,253.78/651,464.69 = 299,876.82/x
  3. Step 3: Cross multiply
    472,253.78x = 651,464.69 × 299,876.82
  4. Step 4: Simplify right side
    472,253.78x = 195,359,159,579.49
  5. Step 5: Solve for x
    x = 195,359,159,579.49/472,253.78
  6. Step 6: Final answer
    x = 413,674.10

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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.