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Finding the Fourth Proportional to 593,655.40, 890,483.10 and 238,486.60

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Solution

The fourth proportional to 593,655.40, 890,483.10 and 238,486.60 is: 357,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,655.40 : 890,483.10 = 238,486.60 : x
  2. Step 2: Convert to fraction form
    593,655.40/890,483.10 = 238,486.60/x
  3. Step 3: Cross multiply
    593,655.40x = 890,483.10 × 238,486.60
  4. Step 4: Simplify right side
    593,655.40x = 212,368,286,876.46
  5. Step 5: Solve for x
    x = 212,368,286,876.46/593,655.40
  6. Step 6: Final answer
    x = 357,729.90

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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.