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Finding the Fourth Proportional to 493,380.10, 740,070.15 and 493,380.10

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Solution

The fourth proportional to 493,380.10, 740,070.15 and 493,380.10 is: 740,070.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,380.10 : 740,070.15 = 493,380.10 : x
  2. Step 2: Convert to fraction form
    493,380.10/740,070.15 = 493,380.10/x
  3. Step 3: Cross multiply
    493,380.10x = 740,070.15 × 493,380.10
  4. Step 4: Simplify right side
    493,380.10x = 365,135,884,614.02
  5. Step 5: Solve for x
    x = 365,135,884,614.02/493,380.10
  6. Step 6: Final answer
    x = 740,070.15

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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.