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Finding the Fourth Proportional to 556,266.40, 833,087.40 and 377,807.20

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Solution

The fourth proportional to 556,266.40, 833,087.40 and 377,807.20 is: 565,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,266.40 : 833,087.40 = 377,807.20 : x
  2. Step 2: Convert to fraction form
    556,266.40/833,087.40 = 377,807.20/x
  3. Step 3: Cross multiply
    556,266.40x = 833,087.40 × 377,807.20
  4. Step 4: Simplify right side
    556,266.40x = 314,746,417,949.28
  5. Step 5: Solve for x
    x = 314,746,417,949.28/556,266.40
  6. Step 6: Final answer
    x = 565,819.57

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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.