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Finding the Fourth Proportional to 556,035.36, 767,410.77 and 352,104.90

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Solution

The fourth proportional to 556,035.36, 767,410.77 and 352,104.90 is: 485,956.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,035.36 : 767,410.77 = 352,104.90 : x
  2. Step 2: Convert to fraction form
    556,035.36/767,410.77 = 352,104.90/x
  3. Step 3: Cross multiply
    556,035.36x = 767,410.77 × 352,104.90
  4. Step 4: Simplify right side
    556,035.36x = 270,209,092,429.77
  5. Step 5: Solve for x
    x = 270,209,092,429.77/556,035.36
  6. Step 6: Final answer
    x = 485,956.67

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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.