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Finding the Fourth Proportional to 637,254.42, 879,308.21 and 365,272.26

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Solution

The fourth proportional to 637,254.42, 879,308.21 and 365,272.26 is: 504,016.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,254.42 : 879,308.21 = 365,272.26 : x
  2. Step 2: Convert to fraction form
    637,254.42/879,308.21 = 365,272.26/x
  3. Step 3: Cross multiply
    637,254.42x = 879,308.21 × 365,272.26
  4. Step 4: Simplify right side
    637,254.42x = 321,186,895,276.89
  5. Step 5: Solve for x
    x = 321,186,895,276.89/637,254.42
  6. Step 6: Final answer
    x = 504,016.74

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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.