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Finding the Fourth Proportional to 616,340.88, 850,534.57 and 344,411.01

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Solution

The fourth proportional to 616,340.88, 850,534.57 and 344,411.01 is: 475,278.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,340.88 : 850,534.57 = 344,411.01 : x
  2. Step 2: Convert to fraction form
    616,340.88/850,534.57 = 344,411.01/x
  3. Step 3: Cross multiply
    616,340.88x = 850,534.57 × 344,411.01
  4. Step 4: Simplify right side
    616,340.88x = 292,933,467,491.81
  5. Step 5: Solve for x
    x = 292,933,467,491.81/616,340.88
  6. Step 6: Final answer
    x = 475,278.34

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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.