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Finding the Fourth Proportional to 604,980.90, 907,799.40 and 250,030.80

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Solution

The fourth proportional to 604,980.90, 907,799.40 and 250,030.80 is: 375,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,980.90 : 907,799.40 = 250,030.80 : x
  2. Step 2: Convert to fraction form
    604,980.90/907,799.40 = 250,030.80/x
  3. Step 3: Cross multiply
    604,980.90x = 907,799.40 × 250,030.80
  4. Step 4: Simplify right side
    604,980.90x = 226,977,810,221.52
  5. Step 5: Solve for x
    x = 226,977,810,221.52/604,980.90
  6. Step 6: Final answer
    x = 375,181.78

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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.