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Finding the Fourth Proportional to 835,644.64, 1,152,047.06 and 573,991.96

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Solution

The fourth proportional to 835,644.64, 1,152,047.06 and 573,991.96 is: 791,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,644.64 : 1,152,047.06 = 573,991.96 : x
  2. Step 2: Convert to fraction form
    835,644.64/1,152,047.06 = 573,991.96/x
  3. Step 3: Cross multiply
    835,644.64x = 1,152,047.06 × 573,991.96
  4. Step 4: Simplify right side
    835,644.64x = 661,265,749,981.64
  5. Step 5: Solve for x
    x = 661,265,749,981.64/835,644.64
  6. Step 6: Final answer
    x = 791,324.11

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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.