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Finding the Fourth Proportional to 484,215.96, 723,225.66 and 438,555.44

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Solution

The fourth proportional to 484,215.96, 723,225.66 and 438,555.44 is: 655,027.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,215.96 : 723,225.66 = 438,555.44 : x
  2. Step 2: Convert to fraction form
    484,215.96/723,225.66 = 438,555.44/x
  3. Step 3: Cross multiply
    484,215.96x = 723,225.66 × 438,555.44
  4. Step 4: Simplify right side
    484,215.96x = 317,174,547,540.59
  5. Step 5: Solve for x
    x = 317,174,547,540.59/484,215.96
  6. Step 6: Final answer
    x = 655,027.04

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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.