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Finding the Fourth Proportional to 562,588.85, 776,392.35 and 307,940.24

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Solution

The fourth proportional to 562,588.85, 776,392.35 and 307,940.24 is: 424,968.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,588.85 : 776,392.35 = 307,940.24 : x
  2. Step 2: Convert to fraction form
    562,588.85/776,392.35 = 307,940.24/x
  3. Step 3: Cross multiply
    562,588.85x = 776,392.35 × 307,940.24
  4. Step 4: Simplify right side
    562,588.85x = 239,082,446,593.16
  5. Step 5: Solve for x
    x = 239,082,446,593.16/562,588.85
  6. Step 6: Final answer
    x = 424,968.33

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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.