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Finding the Fourth Proportional to 670,330.85, 925,062.60 and 364,407.83

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Solution

The fourth proportional to 670,330.85, 925,062.60 and 364,407.83 is: 502,886.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,330.85 : 925,062.60 = 364,407.83 : x
  2. Step 2: Convert to fraction form
    670,330.85/925,062.60 = 364,407.83/x
  3. Step 3: Cross multiply
    670,330.85x = 925,062.60 × 364,407.83
  4. Step 4: Simplify right side
    670,330.85x = 337,100,054,680.16
  5. Step 5: Solve for x
    x = 337,100,054,680.16/670,330.85
  6. Step 6: Final answer
    x = 502,886.08

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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.