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Finding the Fourth Proportional to 710,827.82, 981,600.83 and 456,625.52

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Solution

The fourth proportional to 710,827.82, 981,600.83 and 456,625.52 is: 630,566.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,827.82 : 981,600.83 = 456,625.52 : x
  2. Step 2: Convert to fraction form
    710,827.82/981,600.83 = 456,625.52/x
  3. Step 3: Cross multiply
    710,827.82x = 981,600.83 × 456,625.52
  4. Step 4: Simplify right side
    710,827.82x = 448,223,982,240.05
  5. Step 5: Solve for x
    x = 448,223,982,240.05/710,827.82
  6. Step 6: Final answer
    x = 630,566.18

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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.