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Finding the Fourth Proportional to 518,295.53, 777,482.65 and 176,632.77

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Solution

The fourth proportional to 518,295.53, 777,482.65 and 176,632.77 is: 264,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,295.53 : 777,482.65 = 176,632.77 : x
  2. Step 2: Convert to fraction form
    518,295.53/777,482.65 = 176,632.77/x
  3. Step 3: Cross multiply
    518,295.53x = 777,482.65 × 176,632.77
  4. Step 4: Simplify right side
    518,295.53x = 137,328,909,325.86
  5. Step 5: Solve for x
    x = 137,328,909,325.86/518,295.53
  6. Step 6: Final answer
    x = 264,962.56

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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.