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Finding the Fourth Proportional to 593,875.20, 889,500.60 and 313,064.40

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Solution

The fourth proportional to 593,875.20, 889,500.60 and 313,064.40 is: 468,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,875.20 : 889,500.60 = 313,064.40 : x
  2. Step 2: Convert to fraction form
    593,875.20/889,500.60 = 313,064.40/x
  3. Step 3: Cross multiply
    593,875.20x = 889,500.60 × 313,064.40
  4. Step 4: Simplify right side
    593,875.20x = 278,470,971,638.64
  5. Step 5: Solve for x
    x = 278,470,971,638.64/593,875.20
  6. Step 6: Final answer
    x = 468,904.87

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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.