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Finding the Fourth Proportional to 777,564.66, 1,164,807.33 and 366,671.37

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Solution

The fourth proportional to 777,564.66, 1,164,807.33 and 366,671.37 is: 549,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,564.66 : 1,164,807.33 = 366,671.37 : x
  2. Step 2: Convert to fraction form
    777,564.66/1,164,807.33 = 366,671.37/x
  3. Step 3: Cross multiply
    777,564.66x = 1,164,807.33 × 366,671.37
  4. Step 4: Simplify right side
    777,564.66x = 427,101,499,477.14
  5. Step 5: Solve for x
    x = 427,101,499,477.14/777,564.66
  6. Step 6: Final answer
    x = 549,281.01

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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.