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Finding the Fourth Proportional to 504,176.36, 695,732.10 and 289,334.12

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Solution

The fourth proportional to 504,176.36, 695,732.10 and 289,334.12 is: 399,263.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,176.36 : 695,732.10 = 289,334.12 : x
  2. Step 2: Convert to fraction form
    504,176.36/695,732.10 = 289,334.12/x
  3. Step 3: Cross multiply
    504,176.36x = 695,732.10 × 289,334.12
  4. Step 4: Simplify right side
    504,176.36x = 201,299,034,909.25
  5. Step 5: Solve for x
    x = 201,299,034,909.25/504,176.36
  6. Step 6: Final answer
    x = 399,263.14

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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.