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Finding the Fourth Proportional to 368,848.29, 509,005.63 and 207,705.27

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Solution

The fourth proportional to 368,848.29, 509,005.63 and 207,705.27 is: 286,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,848.29 : 509,005.63 = 207,705.27 : x
  2. Step 2: Convert to fraction form
    368,848.29/509,005.63 = 207,705.27/x
  3. Step 3: Cross multiply
    368,848.29x = 509,005.63 × 207,705.27
  4. Step 4: Simplify right side
    368,848.29x = 105,723,151,810.67
  5. Step 5: Solve for x
    x = 105,723,151,810.67/368,848.29
  6. Step 6: Final answer
    x = 286,630.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.