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Finding the Fourth Proportional to 395,881.60, 593,822.40 and 346,729.60

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Solution

The fourth proportional to 395,881.60, 593,822.40 and 346,729.60 is: 520,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,881.60 : 593,822.40 = 346,729.60 : x
  2. Step 2: Convert to fraction form
    395,881.60/593,822.40 = 346,729.60/x
  3. Step 3: Cross multiply
    395,881.60x = 593,822.40 × 346,729.60
  4. Step 4: Simplify right side
    395,881.60x = 205,895,803,223.04
  5. Step 5: Solve for x
    x = 205,895,803,223.04/395,881.60
  6. Step 6: Final answer
    x = 520,094.40

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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.