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Finding the Fourth Proportional to 268,613.60, 402,574.80 and 163,320.80

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Solution

The fourth proportional to 268,613.60, 402,574.80 and 163,320.80 is: 244,771.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,613.60 : 402,574.80 = 163,320.80 : x
  2. Step 2: Convert to fraction form
    268,613.60/402,574.80 = 163,320.80/x
  3. Step 3: Cross multiply
    268,613.60x = 402,574.80 × 163,320.80
  4. Step 4: Simplify right side
    268,613.60x = 65,748,838,395.84
  5. Step 5: Solve for x
    x = 65,748,838,395.84/268,613.60
  6. Step 6: Final answer
    x = 244,771.07

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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.