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Finding the Fourth Proportional to 560,482.02, 773,483.85 and 305,847.18

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Solution

The fourth proportional to 560,482.02, 773,483.85 and 305,847.18 is: 422,079.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,482.02 : 773,483.85 = 305,847.18 : x
  2. Step 2: Convert to fraction form
    560,482.02/773,483.85 = 305,847.18/x
  3. Step 3: Cross multiply
    560,482.02x = 773,483.85 × 305,847.18
  4. Step 4: Simplify right side
    560,482.02x = 236,567,854,298.04
  5. Step 5: Solve for x
    x = 236,567,854,298.04/560,482.02
  6. Step 6: Final answer
    x = 422,079.29

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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.