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Finding the Fourth Proportional to 835,755.92, 1,153,347.77 and 453,782.71

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Solution

The fourth proportional to 835,755.92, 1,153,347.77 and 453,782.71 is: 626,222.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,755.92 : 1,153,347.77 = 453,782.71 : x
  2. Step 2: Convert to fraction form
    835,755.92/1,153,347.77 = 453,782.71/x
  3. Step 3: Cross multiply
    835,755.92x = 1,153,347.77 × 453,782.71
  4. Step 4: Simplify right side
    835,755.92x = 523,369,274,894.14
  5. Step 5: Solve for x
    x = 523,369,274,894.14/835,755.92
  6. Step 6: Final answer
    x = 626,222.64

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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.