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Finding the Fourth Proportional to 807,070.92, 1,113,808.24 and 444,494.68

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Solution

The fourth proportional to 807,070.92, 1,113,808.24 and 444,494.68 is: 613,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,070.92 : 1,113,808.24 = 444,494.68 : x
  2. Step 2: Convert to fraction form
    807,070.92/1,113,808.24 = 444,494.68/x
  3. Step 3: Cross multiply
    807,070.92x = 1,113,808.24 × 444,494.68
  4. Step 4: Simplify right side
    807,070.92x = 495,081,840,631.34
  5. Step 5: Solve for x
    x = 495,081,840,631.34/807,070.92
  6. Step 6: Final answer
    x = 613,430.40

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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.