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Finding the Fourth Proportional to 550,164.77, 759,263.85 and 308,462.93

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Solution

The fourth proportional to 550,164.77, 759,263.85 and 308,462.93 is: 425,699.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,164.77 : 759,263.85 = 308,462.93 : x
  2. Step 2: Convert to fraction form
    550,164.77/759,263.85 = 308,462.93/x
  3. Step 3: Cross multiply
    550,164.77x = 759,263.85 × 308,462.93
  4. Step 4: Simplify right side
    550,164.77x = 234,204,748,017.76
  5. Step 5: Solve for x
    x = 234,204,748,017.76/550,164.77
  6. Step 6: Final answer
    x = 425,699.29

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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.