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Finding the Fourth Proportional to 404,628.10, 607,633.35 and 265,005.70

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Solution

The fourth proportional to 404,628.10, 607,633.35 and 265,005.70 is: 397,961.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,628.10 : 607,633.35 = 265,005.70 : x
  2. Step 2: Convert to fraction form
    404,628.10/607,633.35 = 265,005.70/x
  3. Step 3: Cross multiply
    404,628.10x = 607,633.35 × 265,005.70
  4. Step 4: Simplify right side
    404,628.10x = 161,026,301,260.10
  5. Step 5: Solve for x
    x = 161,026,301,260.10/404,628.10
  6. Step 6: Final answer
    x = 397,961.24

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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.