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Finding the Fourth Proportional to 575,751.52, 794,535.06 and 321,102.55

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Solution

The fourth proportional to 575,751.52, 794,535.06 and 321,102.55 is: 443,120.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,751.52 : 794,535.06 = 321,102.55 : x
  2. Step 2: Convert to fraction form
    575,751.52/794,535.06 = 321,102.55/x
  3. Step 3: Cross multiply
    575,751.52x = 794,535.06 × 321,102.55
  4. Step 4: Simplify right side
    575,751.52x = 255,127,233,830.40
  5. Step 5: Solve for x
    x = 255,127,233,830.40/575,751.52
  6. Step 6: Final answer
    x = 443,120.38

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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.