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Finding the Fourth Proportional to 1,000,359, 1,380,495.51 and 547,650

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Solution

The fourth proportional to 1,000,359, 1,380,495.51 and 547,650 is: 755,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,359 : 1,380,495.51 = 547,650 : x
  2. Step 2: Convert to fraction form
    1,000,359/1,380,495.51 = 547,650/x
  3. Step 3: Cross multiply
    1,000,359x = 1,380,495.51 × 547,650
  4. Step 4: Simplify right side
    1,000,359x = 756,028,366,051.50
  5. Step 5: Solve for x
    x = 756,028,366,051.50/1,000,359
  6. Step 6: Final answer
    x = 755,757.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.