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Finding the Fourth Proportional to 456,303.50, 684,402.95 and 119,376.66

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Solution

The fourth proportional to 456,303.50, 684,402.95 and 119,376.66 is: 179,051.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,303.50 : 684,402.95 = 119,376.66 : x
  2. Step 2: Convert to fraction form
    456,303.50/684,402.95 = 119,376.66/x
  3. Step 3: Cross multiply
    456,303.50x = 684,402.95 × 119,376.66
  4. Step 4: Simplify right side
    456,303.50x = 81,701,737,966.71
  5. Step 5: Solve for x
    x = 81,701,737,966.71/456,303.50
  6. Step 6: Final answer
    x = 179,051.31

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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.