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Finding the Fourth Proportional to 604,861.90, 907,620.90 and 249,911.80

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Solution

The fourth proportional to 604,861.90, 907,620.90 and 249,911.80 is: 375,003.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,861.90 : 907,620.90 = 249,911.80 : x
  2. Step 2: Convert to fraction form
    604,861.90/907,620.90 = 249,911.80/x
  3. Step 3: Cross multiply
    604,861.90x = 907,620.90 × 249,911.80
  4. Step 4: Simplify right side
    604,861.90x = 226,825,172,836.62
  5. Step 5: Solve for x
    x = 226,825,172,836.62/604,861.90
  6. Step 6: Final answer
    x = 375,003.24

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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.