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Finding the Fourth Proportional to 736,886.81, 1,016,889.81 and 410,197.61

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Solution

The fourth proportional to 736,886.81, 1,016,889.81 and 410,197.61 is: 566,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,886.81 : 1,016,889.81 = 410,197.61 : x
  2. Step 2: Convert to fraction form
    736,886.81/1,016,889.81 = 410,197.61/x
  3. Step 3: Cross multiply
    736,886.81x = 1,016,889.81 × 410,197.61
  4. Step 4: Simplify right side
    736,886.81x = 417,125,769,695.35
  5. Step 5: Solve for x
    x = 417,125,769,695.35/736,886.81
  6. Step 6: Final answer
    x = 566,064.92

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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.