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Finding the Fourth Proportional to 560,071.62, 772,673.01 and 324,170.30

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Solution

The fourth proportional to 560,071.62, 772,673.01 and 324,170.30 is: 447,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,071.62 : 772,673.01 = 324,170.30 : x
  2. Step 2: Convert to fraction form
    560,071.62/772,673.01 = 324,170.30/x
  3. Step 3: Cross multiply
    560,071.62x = 772,673.01 × 324,170.30
  4. Step 4: Simplify right side
    560,071.62x = 250,477,637,590.24
  5. Step 5: Solve for x
    x = 250,477,637,590.24/560,071.62
  6. Step 6: Final answer
    x = 447,224.30

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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.