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Finding the Fourth Proportional to 556,267.70, 834,401.55 and 497,218.70

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Solution

The fourth proportional to 556,267.70, 834,401.55 and 497,218.70 is: 745,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,267.70 : 834,401.55 = 497,218.70 : x
  2. Step 2: Convert to fraction form
    556,267.70/834,401.55 = 497,218.70/x
  3. Step 3: Cross multiply
    556,267.70x = 834,401.55 × 497,218.70
  4. Step 4: Simplify right side
    556,267.70x = 414,880,053,968.99
  5. Step 5: Solve for x
    x = 414,880,053,968.99/556,267.70
  6. Step 6: Final answer
    x = 745,828.05

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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.