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Finding the Fourth Proportional to 555,539.11, 828,452.81 and 494,303.11

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Solution

The fourth proportional to 555,539.11, 828,452.81 and 494,303.11 is: 737,134.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,539.11 : 828,452.81 = 494,303.11 : x
  2. Step 2: Convert to fraction form
    555,539.11/828,452.81 = 494,303.11/x
  3. Step 3: Cross multiply
    555,539.11x = 828,452.81 × 494,303.11
  4. Step 4: Simplify right side
    555,539.11x = 409,506,799,635.87
  5. Step 5: Solve for x
    x = 409,506,799,635.87/555,539.11
  6. Step 6: Final answer
    x = 737,134.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.