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Finding the Fourth Proportional to 534,461.98, 737,569.52 and 305,014.70

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Solution

The fourth proportional to 534,461.98, 737,569.52 and 305,014.70 is: 420,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,461.98 : 737,569.52 = 305,014.70 : x
  2. Step 2: Convert to fraction form
    534,461.98/737,569.52 = 305,014.70/x
  3. Step 3: Cross multiply
    534,461.98x = 737,569.52 × 305,014.70
  4. Step 4: Simplify right side
    534,461.98x = 224,969,547,155.25
  5. Step 5: Solve for x
    x = 224,969,547,155.25/534,461.98
  6. Step 6: Final answer
    x = 420,927.13

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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.