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Finding the Fourth Proportional to 270,366.71, 405,573.06 and 70,686.77

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Solution

The fourth proportional to 270,366.71, 405,573.06 and 70,686.77 is: 106,036.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,366.71 : 405,573.06 = 70,686.77 : x
  2. Step 2: Convert to fraction form
    270,366.71/405,573.06 = 70,686.77/x
  3. Step 3: Cross multiply
    270,366.71x = 405,573.06 × 70,686.77
  4. Step 4: Simplify right side
    270,366.71x = 28,668,647,582.55
  5. Step 5: Solve for x
    x = 28,668,647,582.55/270,366.71
  6. Step 6: Final answer
    x = 106,036.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.