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Finding the Fourth Proportional to 520,066.10, 779,224.35 and 444,833.30

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Solution

The fourth proportional to 520,066.10, 779,224.35 and 444,833.30 is: 666,501.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,066.10 : 779,224.35 = 444,833.30 : x
  2. Step 2: Convert to fraction form
    520,066.10/779,224.35 = 444,833.30/x
  3. Step 3: Cross multiply
    520,066.10x = 779,224.35 × 444,833.30
  4. Step 4: Simplify right side
    520,066.10x = 346,624,939,050.86
  5. Step 5: Solve for x
    x = 346,624,939,050.86/520,066.10
  6. Step 6: Final answer
    x = 666,501.70

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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.