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Finding the Fourth Proportional to 604,986.90, 907,808.40 and 250,036.80

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Solution

The fourth proportional to 604,986.90, 907,808.40 and 250,036.80 is: 375,190.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,986.90 : 907,808.40 = 250,036.80 : x
  2. Step 2: Convert to fraction form
    604,986.90/907,808.40 = 250,036.80/x
  3. Step 3: Cross multiply
    604,986.90x = 907,808.40 × 250,036.80
  4. Step 4: Simplify right side
    604,986.90x = 226,985,507,349.12
  5. Step 5: Solve for x
    x = 226,985,507,349.12/604,986.90
  6. Step 6: Final answer
    x = 375,190.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.