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Finding the Fourth Proportional to 556,061.07, 833,139.54 and 303,518.91

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Solution

The fourth proportional to 556,061.07, 833,139.54 and 303,518.91 is: 454,758.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,061.07 : 833,139.54 = 303,518.91 : x
  2. Step 2: Convert to fraction form
    556,061.07/833,139.54 = 303,518.91/x
  3. Step 3: Cross multiply
    556,061.07x = 833,139.54 × 303,518.91
  4. Step 4: Simplify right side
    556,061.07x = 252,873,605,058.70
  5. Step 5: Solve for x
    x = 252,873,605,058.70/556,061.07
  6. Step 6: Final answer
    x = 454,758.69

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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.