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Finding the Fourth Proportional to 604,669.60, 906,970.80 and 183,912.40

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Solution

The fourth proportional to 604,669.60, 906,970.80 and 183,912.40 is: 275,858.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,669.60 : 906,970.80 = 183,912.40 : x
  2. Step 2: Convert to fraction form
    604,669.60/906,970.80 = 183,912.40/x
  3. Step 3: Cross multiply
    604,669.60x = 906,970.80 × 183,912.40
  4. Step 4: Simplify right side
    604,669.60x = 166,803,176,557.92
  5. Step 5: Solve for x
    x = 166,803,176,557.92/604,669.60
  6. Step 6: Final answer
    x = 275,858.38

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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.