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Finding the Fourth Proportional to 383,572.47, 570,829.80 and 370,800.81

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Solution

The fourth proportional to 383,572.47, 570,829.80 and 370,800.81 is: 551,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,572.47 : 570,829.80 = 370,800.81 : x
  2. Step 2: Convert to fraction form
    383,572.47/570,829.80 = 370,800.81/x
  3. Step 3: Cross multiply
    383,572.47x = 570,829.80 × 370,800.81
  4. Step 4: Simplify right side
    383,572.47x = 211,664,152,212.14
  5. Step 5: Solve for x
    x = 211,664,152,212.14/383,572.47
  6. Step 6: Final answer
    x = 551,823.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.