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Finding the Fourth Proportional to 575,807.92, 794,616 and 321,175.60

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Solution

The fourth proportional to 575,807.92, 794,616 and 321,175.60 is: 443,222.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,807.92 : 794,616 = 321,175.60 : x
  2. Step 2: Convert to fraction form
    575,807.92/794,616 = 321,175.60/x
  3. Step 3: Cross multiply
    575,807.92x = 794,616 × 321,175.60
  4. Step 4: Simplify right side
    575,807.92x = 255,211,270,569.60
  5. Step 5: Solve for x
    x = 255,211,270,569.60/575,807.92
  6. Step 6: Final answer
    x = 443,222.93

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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.