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Finding the Fourth Proportional to 835,409.94, 1,152,866.97 and 453,436.89

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Solution

The fourth proportional to 835,409.94, 1,152,866.97 and 453,436.89 is: 625,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,409.94 : 1,152,866.97 = 453,436.89 : x
  2. Step 2: Convert to fraction form
    835,409.94/1,152,866.97 = 453,436.89/x
  3. Step 3: Cross multiply
    835,409.94x = 1,152,866.97 × 453,436.89
  4. Step 4: Simplify right side
    835,409.94x = 522,752,413,460.52
  5. Step 5: Solve for x
    x = 522,752,413,460.52/835,409.94
  6. Step 6: Final answer
    x = 625,743.59

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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.