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Finding the Fourth Proportional to 556,352.30, 767,766.17 and 301,703.48

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Solution

The fourth proportional to 556,352.30, 767,766.17 and 301,703.48 is: 416,350.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,352.30 : 767,766.17 = 301,703.48 : x
  2. Step 2: Convert to fraction form
    556,352.30/767,766.17 = 301,703.48/x
  3. Step 3: Cross multiply
    556,352.30x = 767,766.17 × 301,703.48
  4. Step 4: Simplify right side
    556,352.30x = 231,637,728,579.96
  5. Step 5: Solve for x
    x = 231,637,728,579.96/556,352.30
  6. Step 6: Final answer
    x = 416,350.81

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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.