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Finding the Fourth Proportional to 440,464.80, 618,050.40 and 440,464.80

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Solution

The fourth proportional to 440,464.80, 618,050.40 and 440,464.80 is: 618,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,464.80 : 618,050.40 = 440,464.80 : x
  2. Step 2: Convert to fraction form
    440,464.80/618,050.40 = 440,464.80/x
  3. Step 3: Cross multiply
    440,464.80x = 618,050.40 × 440,464.80
  4. Step 4: Simplify right side
    440,464.80x = 272,229,445,825.92
  5. Step 5: Solve for x
    x = 272,229,445,825.92/440,464.80
  6. Step 6: Final answer
    x = 618,050.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.