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Finding the Fourth Proportional to 802,313.34, 1,107,314.40 and 512,050.14

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Solution

The fourth proportional to 802,313.34, 1,107,314.40 and 512,050.14 is: 706,707.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,313.34 : 1,107,314.40 = 512,050.14 : x
  2. Step 2: Convert to fraction form
    802,313.34/1,107,314.40 = 512,050.14/x
  3. Step 3: Cross multiply
    802,313.34x = 1,107,314.40 × 512,050.14
  4. Step 4: Simplify right side
    802,313.34x = 567,000,493,544.02
  5. Step 5: Solve for x
    x = 567,000,493,544.02/802,313.34
  6. Step 6: Final answer
    x = 706,707.05

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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.