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Finding the Fourth Proportional to 604,862.40, 907,621.65 and 249,912.30

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Solution

The fourth proportional to 604,862.40, 907,621.65 and 249,912.30 is: 375,003.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,862.40 : 907,621.65 = 249,912.30 : x
  2. Step 2: Convert to fraction form
    604,862.40/907,621.65 = 249,912.30/x
  3. Step 3: Cross multiply
    604,862.40x = 907,621.65 × 249,912.30
  4. Step 4: Simplify right side
    604,862.40x = 226,825,814,081.30
  5. Step 5: Solve for x
    x = 226,825,814,081.30/604,862.40
  6. Step 6: Final answer
    x = 375,003.99

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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.