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Finding the Fourth Proportional to 525,112.52, 724,696.61 and 484,401.51

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Solution

The fourth proportional to 525,112.52, 724,696.61 and 484,401.51 is: 668,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,112.52 : 724,696.61 = 484,401.51 : x
  2. Step 2: Convert to fraction form
    525,112.52/724,696.61 = 484,401.51/x
  3. Step 3: Cross multiply
    525,112.52x = 724,696.61 × 484,401.51
  4. Step 4: Simplify right side
    525,112.52x = 351,044,129,753.87
  5. Step 5: Solve for x
    x = 351,044,129,753.87/525,112.52
  6. Step 6: Final answer
    x = 668,512.21

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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.