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Finding the Fourth Proportional to 670,578.22, 925,379.49 and 368,772.22

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Solution

The fourth proportional to 670,578.22, 925,379.49 and 368,772.22 is: 508,895.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,578.22 : 925,379.49 = 368,772.22 : x
  2. Step 2: Convert to fraction form
    670,578.22/925,379.49 = 368,772.22/x
  3. Step 3: Cross multiply
    670,578.22x = 925,379.49 × 368,772.22
  4. Step 4: Simplify right side
    670,578.22x = 341,254,248,869.77
  5. Step 5: Solve for x
    x = 341,254,248,869.77/670,578.22
  6. Step 6: Final answer
    x = 508,895.52

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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.