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Finding the Fourth Proportional to 670,277.88, 925,001.28 and 364,374.90

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Solution

The fourth proportional to 670,277.88, 925,001.28 and 364,374.90 is: 502,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,277.88 : 925,001.28 = 364,374.90 : x
  2. Step 2: Convert to fraction form
    670,277.88/925,001.28 = 364,374.90/x
  3. Step 3: Cross multiply
    670,277.88x = 925,001.28 × 364,374.90
  4. Step 4: Simplify right side
    670,277.88x = 337,047,248,899.87
  5. Step 5: Solve for x
    x = 337,047,248,899.87/670,277.88
  6. Step 6: Final answer
    x = 502,847.04

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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.