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Finding the Fourth Proportional to 556,615.84, 833,740.56 and 376,810.72

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Solution

The fourth proportional to 556,615.84, 833,740.56 and 376,810.72 is: 564,415.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,615.84 : 833,740.56 = 376,810.72 : x
  2. Step 2: Convert to fraction form
    556,615.84/833,740.56 = 376,810.72/x
  3. Step 3: Cross multiply
    556,615.84x = 833,740.56 × 376,810.72
  4. Step 4: Simplify right side
    556,615.84x = 314,162,380,706.80
  5. Step 5: Solve for x
    x = 314,162,380,706.80/556,615.84
  6. Step 6: Final answer
    x = 564,415.09

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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.