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Finding the Fourth Proportional to 573,161.76, 790,831.51 and 355,566.19

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Solution

The fourth proportional to 573,161.76, 790,831.51 and 355,566.19 is: 490,599.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,161.76 : 790,831.51 = 355,566.19 : x
  2. Step 2: Convert to fraction form
    573,161.76/790,831.51 = 355,566.19/x
  3. Step 3: Cross multiply
    573,161.76x = 790,831.51 × 355,566.19
  4. Step 4: Simplify right side
    573,161.76x = 281,192,946,942.65
  5. Step 5: Solve for x
    x = 281,192,946,942.65/573,161.76
  6. Step 6: Final answer
    x = 490,599.63

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Double scale
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Similar ratio
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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.