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Finding the Fourth Proportional to 472,005.91, 651,345.51 and 268,029.91

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Solution

The fourth proportional to 472,005.91, 651,345.51 and 268,029.91 is: 369,868.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,005.91 : 651,345.51 = 268,029.91 : x
  2. Step 2: Convert to fraction form
    472,005.91/651,345.51 = 268,029.91/x
  3. Step 3: Cross multiply
    472,005.91x = 651,345.51 × 268,029.91
  4. Step 4: Simplify right side
    472,005.91x = 174,580,078,424.20
  5. Step 5: Solve for x
    x = 174,580,078,424.20/472,005.91
  6. Step 6: Final answer
    x = 369,868.42

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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.