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Finding the Fourth Proportional to 469,152.51, 647,464.08 and 265,220.22

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Solution

The fourth proportional to 469,152.51, 647,464.08 and 265,220.22 is: 366,022.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,152.51 : 647,464.08 = 265,220.22 : x
  2. Step 2: Convert to fraction form
    469,152.51/647,464.08 = 265,220.22/x
  3. Step 3: Cross multiply
    469,152.51x = 647,464.08 × 265,220.22
  4. Step 4: Simplify right side
    469,152.51x = 171,720,569,162.26
  5. Step 5: Solve for x
    x = 171,720,569,162.26/469,152.51
  6. Step 6: Final answer
    x = 366,022.92

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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.