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Finding the Fourth Proportional to 835,954.56, 1,153,625.76 and 453,988.80

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Solution

The fourth proportional to 835,954.56, 1,153,625.76 and 453,988.80 is: 626,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,954.56 : 1,153,625.76 = 453,988.80 : x
  2. Step 2: Convert to fraction form
    835,954.56/1,153,625.76 = 453,988.80/x
  3. Step 3: Cross multiply
    835,954.56x = 1,153,625.76 × 453,988.80
  4. Step 4: Simplify right side
    835,954.56x = 523,733,174,431.49
  5. Step 5: Solve for x
    x = 523,733,174,431.49/835,954.56
  6. Step 6: Final answer
    x = 626,509.14

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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.