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Finding the Fourth Proportional to 476,477.54, 714,564.74 and 156,555.66

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Solution

The fourth proportional to 476,477.54, 714,564.74 and 156,555.66 is: 234,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,477.54 : 714,564.74 = 156,555.66 : x
  2. Step 2: Convert to fraction form
    476,477.54/714,564.74 = 156,555.66/x
  3. Step 3: Cross multiply
    476,477.54x = 714,564.74 × 156,555.66
  4. Step 4: Simplify right side
    476,477.54x = 111,869,154,483.43
  5. Step 5: Solve for x
    x = 111,869,154,483.43/476,477.54
  6. Step 6: Final answer
    x = 234,783.69

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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.