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Finding the Fourth Proportional to 675,126.06, 931,671.63 and 373,320.06

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Solution

The fourth proportional to 675,126.06, 931,671.63 and 373,320.06 is: 515,180.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,126.06 : 931,671.63 = 373,320.06 : x
  2. Step 2: Convert to fraction form
    675,126.06/931,671.63 = 373,320.06/x
  3. Step 3: Cross multiply
    675,126.06x = 931,671.63 × 373,320.06
  4. Step 4: Simplify right side
    675,126.06x = 347,811,708,811.90
  5. Step 5: Solve for x
    x = 347,811,708,811.90/675,126.06
  6. Step 6: Final answer
    x = 515,180.39

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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.