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Finding the Fourth Proportional to 456,007.60, 684,011.40 and 207,175.60

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Solution

The fourth proportional to 456,007.60, 684,011.40 and 207,175.60 is: 310,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,007.60 : 684,011.40 = 207,175.60 : x
  2. Step 2: Convert to fraction form
    456,007.60/684,011.40 = 207,175.60/x
  3. Step 3: Cross multiply
    456,007.60x = 684,011.40 × 207,175.60
  4. Step 4: Simplify right side
    456,007.60x = 141,710,472,201.84
  5. Step 5: Solve for x
    x = 141,710,472,201.84/456,007.60
  6. Step 6: Final answer
    x = 310,763.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.