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Finding the Fourth Proportional to 544,809.60, 816,964.80 and 292,051.20

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Solution

The fourth proportional to 544,809.60, 816,964.80 and 292,051.20 is: 437,943.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,809.60 : 816,964.80 = 292,051.20 : x
  2. Step 2: Convert to fraction form
    544,809.60/816,964.80 = 292,051.20/x
  3. Step 3: Cross multiply
    544,809.60x = 816,964.80 × 292,051.20
  4. Step 4: Simplify right side
    544,809.60x = 238,595,550,197.76
  5. Step 5: Solve for x
    x = 238,595,550,197.76/544,809.60
  6. Step 6: Final answer
    x = 437,943.00

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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.