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Finding the Fourth Proportional to 561,219.94, 772,909.05 and 525,199.24

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Solution

The fourth proportional to 561,219.94, 772,909.05 and 525,199.24 is: 723,301.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,219.94 : 772,909.05 = 525,199.24 : x
  2. Step 2: Convert to fraction form
    561,219.94/772,909.05 = 525,199.24/x
  3. Step 3: Cross multiply
    561,219.94x = 772,909.05 × 525,199.24
  4. Step 4: Simplify right side
    561,219.94x = 405,931,245,649.12
  5. Step 5: Solve for x
    x = 405,931,245,649.12/561,219.94
  6. Step 6: Final answer
    x = 723,301.54

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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.