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Finding the Fourth Proportional to 508,401.67, 700,955.97 and 372,199.16

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Solution

The fourth proportional to 508,401.67, 700,955.97 and 372,199.16 is: 513,167.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,401.67 : 700,955.97 = 372,199.16 : x
  2. Step 2: Convert to fraction form
    508,401.67/700,955.97 = 372,199.16/x
  3. Step 3: Cross multiply
    508,401.67x = 700,955.97 × 372,199.16
  4. Step 4: Simplify right side
    508,401.67x = 260,895,223,230.99
  5. Step 5: Solve for x
    x = 260,895,223,230.99/508,401.67
  6. Step 6: Final answer
    x = 513,167.52

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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.