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Finding the Fourth Proportional to 570,799.54, 856,269.68 and 186,539.32

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Solution

The fourth proportional to 570,799.54, 856,269.68 and 186,539.32 is: 279,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,799.54 : 856,269.68 = 186,539.32 : x
  2. Step 2: Convert to fraction form
    570,799.54/856,269.68 = 186,539.32/x
  3. Step 3: Cross multiply
    570,799.54x = 856,269.68 × 186,539.32
  4. Step 4: Simplify right side
    570,799.54x = 159,727,963,981.46
  5. Step 5: Solve for x
    x = 159,727,963,981.46/570,799.54
  6. Step 6: Final answer
    x = 279,831.98

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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.