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Finding the Fourth Proportional to 554,475.72, 832,180.14 and 519,483.72

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Solution

The fourth proportional to 554,475.72, 832,180.14 and 519,483.72 is: 779,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,475.72 : 832,180.14 = 519,483.72 : x
  2. Step 2: Convert to fraction form
    554,475.72/832,180.14 = 519,483.72/x
  3. Step 3: Cross multiply
    554,475.72x = 832,180.14 × 519,483.72
  4. Step 4: Simplify right side
    554,475.72x = 432,304,034,837.32
  5. Step 5: Solve for x
    x = 432,304,034,837.32/554,475.72
  6. Step 6: Final answer
    x = 779,662.70

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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.