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Finding the Fourth Proportional to 637,196.66, 879,331.68 and 350,714.72

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Solution

The fourth proportional to 637,196.66, 879,331.68 and 350,714.72 is: 483,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,196.66 : 879,331.68 = 350,714.72 : x
  2. Step 2: Convert to fraction form
    637,196.66/879,331.68 = 350,714.72/x
  3. Step 3: Cross multiply
    637,196.66x = 879,331.68 × 350,714.72
  4. Step 4: Simplify right side
    637,196.66x = 308,394,563,938.33
  5. Step 5: Solve for x
    x = 308,394,563,938.33/637,196.66
  6. Step 6: Final answer
    x = 483,986.47

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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.