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Finding the Fourth Proportional to 551,482.92, 826,589.34 and 314,995.32

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Solution

The fourth proportional to 551,482.92, 826,589.34 and 314,995.32 is: 472,130.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,482.92 : 826,589.34 = 314,995.32 : x
  2. Step 2: Convert to fraction form
    551,482.92/826,589.34 = 314,995.32/x
  3. Step 3: Cross multiply
    551,482.92x = 826,589.34 × 314,995.32
  4. Step 4: Simplify right side
    551,482.92x = 260,371,773,661.89
  5. Step 5: Solve for x
    x = 260,371,773,661.89/551,482.92
  6. Step 6: Final answer
    x = 472,130.26

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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.