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Finding the Fourth Proportional to 628,181.40, 866,897.06 and 341,702.22

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Solution

The fourth proportional to 628,181.40, 866,897.06 and 341,702.22 is: 471,552.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,181.40 : 866,897.06 = 341,702.22 : x
  2. Step 2: Convert to fraction form
    628,181.40/866,897.06 = 341,702.22/x
  3. Step 3: Cross multiply
    628,181.40x = 866,897.06 × 341,702.22
  4. Step 4: Simplify right side
    628,181.40x = 296,220,649,913.47
  5. Step 5: Solve for x
    x = 296,220,649,913.47/628,181.40
  6. Step 6: Final answer
    x = 471,552.72

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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.