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Finding the Fourth Proportional to 867,880.63, 1,197,396.57 and 562,191.22

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Solution

The fourth proportional to 867,880.63, 1,197,396.57 and 562,191.22 is: 775,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,880.63 : 1,197,396.57 = 562,191.22 : x
  2. Step 2: Convert to fraction form
    867,880.63/1,197,396.57 = 562,191.22/x
  3. Step 3: Cross multiply
    867,880.63x = 1,197,396.57 × 562,191.22
  4. Step 4: Simplify right side
    867,880.63x = 673,165,838,512.12
  5. Step 5: Solve for x
    x = 673,165,838,512.12/867,880.63
  6. Step 6: Final answer
    x = 775,643.35

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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.