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Finding the Fourth Proportional to 559,875.20, 839,812.80 and 335,926.40

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Solution

The fourth proportional to 559,875.20, 839,812.80 and 335,926.40 is: 503,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,875.20 : 839,812.80 = 335,926.40 : x
  2. Step 2: Convert to fraction form
    559,875.20/839,812.80 = 335,926.40/x
  3. Step 3: Cross multiply
    559,875.20x = 839,812.80 × 335,926.40
  4. Step 4: Simplify right side
    559,875.20x = 282,115,290,577.92
  5. Step 5: Solve for x
    x = 282,115,290,577.92/559,875.20
  6. Step 6: Final answer
    x = 503,889.60

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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.