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Finding the Fourth Proportional to 525,806.44, 724,762.80 and 410,885.36

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Solution

The fourth proportional to 525,806.44, 724,762.80 and 410,885.36 is: 566,357.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,806.44 : 724,762.80 = 410,885.36 : x
  2. Step 2: Convert to fraction form
    525,806.44/724,762.80 = 410,885.36/x
  3. Step 3: Cross multiply
    525,806.44x = 724,762.80 × 410,885.36
  4. Step 4: Simplify right side
    525,806.44x = 297,794,423,992.61
  5. Step 5: Solve for x
    x = 297,794,423,992.61/525,806.44
  6. Step 6: Final answer
    x = 566,357.51

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1.5x scale

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.