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Finding the Fourth Proportional to 809,853, 1,117,597.23 and 470,343.12

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Solution

The fourth proportional to 809,853, 1,117,597.23 and 470,343.12 is: 649,073.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,853 : 1,117,597.23 = 470,343.12 : x
  2. Step 2: Convert to fraction form
    809,853/1,117,597.23 = 470,343.12/x
  3. Step 3: Cross multiply
    809,853x = 1,117,597.23 × 470,343.12
  4. Step 4: Simplify right side
    809,853x = 525,654,168,061.56
  5. Step 5: Solve for x
    x = 525,654,168,061.56/809,853
  6. Step 6: Final answer
    x = 649,073.56

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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.