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Finding the Fourth Proportional to 619,404.10, 929,652.90 and 366,368.20

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Solution

The fourth proportional to 619,404.10, 929,652.90 and 366,368.20 is: 549,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,404.10 : 929,652.90 = 366,368.20 : x
  2. Step 2: Convert to fraction form
    619,404.10/929,652.90 = 366,368.20/x
  3. Step 3: Cross multiply
    619,404.10x = 929,652.90 × 366,368.20
  4. Step 4: Simplify right side
    619,404.10x = 340,595,259,597.78
  5. Step 5: Solve for x
    x = 340,595,259,597.78/619,404.10
  6. Step 6: Final answer
    x = 549,875.69

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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.