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Finding the Fourth Proportional to 604,030.40, 906,045.60 and 404,964.80

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Solution

The fourth proportional to 604,030.40, 906,045.60 and 404,964.80 is: 607,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,030.40 : 906,045.60 = 404,964.80 : x
  2. Step 2: Convert to fraction form
    604,030.40/906,045.60 = 404,964.80/x
  3. Step 3: Cross multiply
    604,030.40x = 906,045.60 × 404,964.80
  4. Step 4: Simplify right side
    604,030.40x = 366,916,575,194.88
  5. Step 5: Solve for x
    x = 366,916,575,194.88/604,030.40
  6. Step 6: Final answer
    x = 607,447.20

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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.