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Finding the Fourth Proportional to 574,840.44, 793,304.28 and 320,191.74

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Solution

The fourth proportional to 574,840.44, 793,304.28 and 320,191.74 is: 441,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,840.44 : 793,304.28 = 320,191.74 : x
  2. Step 2: Convert to fraction form
    574,840.44/793,304.28 = 320,191.74/x
  3. Step 3: Cross multiply
    574,840.44x = 793,304.28 × 320,191.74
  4. Step 4: Simplify right side
    574,840.44x = 254,009,477,762.65
  5. Step 5: Solve for x
    x = 254,009,477,762.65/574,840.44
  6. Step 6: Final answer
    x = 441,878.23

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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.