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Finding the Fourth Proportional to 907,328, 1,252,112.64 and 504,920.32

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Solution

The fourth proportional to 907,328, 1,252,112.64 and 504,920.32 is: 696,790.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,328 : 1,252,112.64 = 504,920.32 : x
  2. Step 2: Convert to fraction form
    907,328/1,252,112.64 = 504,920.32/x
  3. Step 3: Cross multiply
    907,328x = 1,252,112.64 × 504,920.32
  4. Step 4: Simplify right side
    907,328x = 632,217,114,864.85
  5. Step 5: Solve for x
    x = 632,217,114,864.85/907,328
  6. Step 6: Final answer
    x = 696,790.04

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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.