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Finding the Fourth Proportional to 705,633.33, 973,775.15 and 383,343.69

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Solution

The fourth proportional to 705,633.33, 973,775.15 and 383,343.69 is: 529,014.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,633.33 : 973,775.15 = 383,343.69 : x
  2. Step 2: Convert to fraction form
    705,633.33/973,775.15 = 383,343.69/x
  3. Step 3: Cross multiply
    705,633.33x = 973,775.15 × 383,343.69
  4. Step 4: Simplify right side
    705,633.33x = 373,290,559,231.30
  5. Step 5: Solve for x
    x = 373,290,559,231.30/705,633.33
  6. Step 6: Final answer
    x = 529,014.92

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.