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Finding the Fourth Proportional to 285,533.35, 428,300.55 and 117,023.53

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Solution

The fourth proportional to 285,533.35, 428,300.55 and 117,023.53 is: 175,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,533.35 : 428,300.55 = 117,023.53 : x
  2. Step 2: Convert to fraction form
    285,533.35/428,300.55 = 117,023.53/x
  3. Step 3: Cross multiply
    285,533.35x = 428,300.55 × 117,023.53
  4. Step 4: Simplify right side
    285,533.35x = 50,121,242,261.94
  5. Step 5: Solve for x
    x = 50,121,242,261.94/285,533.35
  6. Step 6: Final answer
    x = 175,535.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.