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Finding the Fourth Proportional to 340,599.16, 509,985.06 and 190,411.71

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Solution

The fourth proportional to 340,599.16, 509,985.06 and 190,411.71 is: 285,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,599.16 : 509,985.06 = 190,411.71 : x
  2. Step 2: Convert to fraction form
    340,599.16/509,985.06 = 190,411.71/x
  3. Step 3: Cross multiply
    340,599.16x = 509,985.06 × 190,411.71
  4. Step 4: Simplify right side
    340,599.16x = 97,107,127,349.05
  5. Step 5: Solve for x
    x = 97,107,127,349.05/340,599.16
  6. Step 6: Final answer
    x = 285,106.77

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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.