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Finding the Fourth Proportional to 835,406.90, 1,152,862.84 and 453,433.84

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Solution

The fourth proportional to 835,406.90, 1,152,862.84 and 453,433.84 is: 625,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,406.90 : 1,152,862.84 = 453,433.84 : x
  2. Step 2: Convert to fraction form
    835,406.90/1,152,862.84 = 453,433.84/x
  3. Step 3: Cross multiply
    835,406.90x = 1,152,862.84 × 453,433.84
  4. Step 4: Simplify right side
    835,406.90x = 522,747,024,534.51
  5. Step 5: Solve for x
    x = 522,747,024,534.51/835,406.90
  6. Step 6: Final answer
    x = 625,739.41

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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.