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Finding the Fourth Proportional to 679,666.06, 937,962.75 and 373,754.98

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Solution

The fourth proportional to 679,666.06, 937,962.75 and 373,754.98 is: 515,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,666.06 : 937,962.75 = 373,754.98 : x
  2. Step 2: Convert to fraction form
    679,666.06/937,962.75 = 373,754.98/x
  3. Step 3: Cross multiply
    679,666.06x = 937,962.75 × 373,754.98
  4. Step 4: Simplify right side
    679,666.06x = 350,568,248,867.00
  5. Step 5: Solve for x
    x = 350,568,248,867.00/679,666.06
  6. Step 6: Final answer
    x = 515,794.84

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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.