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Finding the Fourth Proportional to 896,984.84, 1,237,784.82 and 514,975.88

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Solution

The fourth proportional to 896,984.84, 1,237,784.82 and 514,975.88 is: 710,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,984.84 : 1,237,784.82 = 514,975.88 : x
  2. Step 2: Convert to fraction form
    896,984.84/1,237,784.82 = 514,975.88/x
  3. Step 3: Cross multiply
    896,984.84x = 1,237,784.82 × 514,975.88
  4. Step 4: Simplify right side
    896,984.84x = 637,429,326,930.14
  5. Step 5: Solve for x
    x = 637,429,326,930.14/896,984.84
  6. Step 6: Final answer
    x = 710,635.56

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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.