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Finding the Fourth Proportional to 835,374.78, 1,152,542.79 and 472,762.62

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Solution

The fourth proportional to 835,374.78, 1,152,542.79 and 472,762.62 is: 652,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,374.78 : 1,152,542.79 = 472,762.62 : x
  2. Step 2: Convert to fraction form
    835,374.78/1,152,542.79 = 472,762.62/x
  3. Step 3: Cross multiply
    835,374.78x = 1,152,542.79 × 472,762.62
  4. Step 4: Simplify right side
    835,374.78x = 544,879,149,062.51
  5. Step 5: Solve for x
    x = 544,879,149,062.51/835,374.78
  6. Step 6: Final answer
    x = 652,257.12

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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.