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Finding the Fourth Proportional to 384,281.26, 576,420.63 and 103,798.60

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Solution

The fourth proportional to 384,281.26, 576,420.63 and 103,798.60 is: 155,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,281.26 : 576,420.63 = 103,798.60 : x
  2. Step 2: Convert to fraction form
    384,281.26/576,420.63 = 103,798.60/x
  3. Step 3: Cross multiply
    384,281.26x = 576,420.63 × 103,798.60
  4. Step 4: Simplify right side
    384,281.26x = 59,831,654,405.12
  5. Step 5: Solve for x
    x = 59,831,654,405.12/384,281.26
  6. Step 6: Final answer
    x = 155,697.56

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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.