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Finding the Fourth Proportional to 562,263.32, 776,260.86 and 347,691.08

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Solution

The fourth proportional to 562,263.32, 776,260.86 and 347,691.08 is: 480,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,263.32 : 776,260.86 = 347,691.08 : x
  2. Step 2: Convert to fraction form
    562,263.32/776,260.86 = 347,691.08/x
  3. Step 3: Cross multiply
    562,263.32x = 776,260.86 × 347,691.08
  4. Step 4: Simplify right side
    562,263.32x = 269,898,976,775.13
  5. Step 5: Solve for x
    x = 269,898,976,775.13/562,263.32
  6. Step 6: Final answer
    x = 480,022.38

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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.