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Finding the Fourth Proportional to 529,280.20, 793,920.30 and 520,064.20

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Solution

The fourth proportional to 529,280.20, 793,920.30 and 520,064.20 is: 780,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,280.20 : 793,920.30 = 520,064.20 : x
  2. Step 2: Convert to fraction form
    529,280.20/793,920.30 = 520,064.20/x
  3. Step 3: Cross multiply
    529,280.20x = 793,920.30 × 520,064.20
  4. Step 4: Simplify right side
    529,280.20x = 412,889,525,683.26
  5. Step 5: Solve for x
    x = 412,889,525,683.26/529,280.20
  6. Step 6: Final answer
    x = 780,096.30

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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.