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Finding the Fourth Proportional to 593,640.80, 891,044.40 and 294,459.20

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Solution

The fourth proportional to 593,640.80, 891,044.40 and 294,459.20 is: 441,978.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,640.80 : 891,044.40 = 294,459.20 : x
  2. Step 2: Convert to fraction form
    593,640.80/891,044.40 = 294,459.20/x
  3. Step 3: Cross multiply
    593,640.80x = 891,044.40 × 294,459.20
  4. Step 4: Simplify right side
    593,640.80x = 262,376,221,188.48
  5. Step 5: Solve for x
    x = 262,376,221,188.48/593,640.80
  6. Step 6: Final answer
    x = 441,978.08

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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.