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Finding the Fourth Proportional to 425,756.04, 637,358.88 and 410,615.28

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Solution

The fourth proportional to 425,756.04, 637,358.88 and 410,615.28 is: 614,693.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,756.04 : 637,358.88 = 410,615.28 : x
  2. Step 2: Convert to fraction form
    425,756.04/637,358.88 = 410,615.28/x
  3. Step 3: Cross multiply
    425,756.04x = 637,358.88 × 410,615.28
  4. Step 4: Simplify right side
    425,756.04x = 261,709,294,971.69
  5. Step 5: Solve for x
    x = 261,709,294,971.69/425,756.04
  6. Step 6: Final answer
    x = 614,693.09

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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.