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Finding the Fourth Proportional to 605,109.30, 906,281.55 and 356,277.30

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Solution

The fourth proportional to 605,109.30, 906,281.55 and 356,277.30 is: 533,602.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,109.30 : 906,281.55 = 356,277.30 : x
  2. Step 2: Convert to fraction form
    605,109.30/906,281.55 = 356,277.30/x
  3. Step 3: Cross multiply
    605,109.30x = 906,281.55 × 356,277.30
  4. Step 4: Simplify right side
    605,109.30x = 322,887,543,673.82
  5. Step 5: Solve for x
    x = 322,887,543,673.82/605,109.30
  6. Step 6: Final answer
    x = 533,602.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.