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Finding the Fourth Proportional to 604,448.40, 906,895.80 and 249,493.20

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Solution

The fourth proportional to 604,448.40, 906,895.80 and 249,493.20 is: 374,331.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,448.40 : 906,895.80 = 249,493.20 : x
  2. Step 2: Convert to fraction form
    604,448.40/906,895.80 = 249,493.20/x
  3. Step 3: Cross multiply
    604,448.40x = 906,895.80 × 249,493.20
  4. Step 4: Simplify right side
    604,448.40x = 226,264,335,208.56
  5. Step 5: Solve for x
    x = 226,264,335,208.56/604,448.40
  6. Step 6: Final answer
    x = 374,331.93

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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.