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Finding the Fourth Proportional to 610,445.43, 842,239.22 and 352,301.67

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Solution

The fourth proportional to 610,445.43, 842,239.22 and 352,301.67 is: 486,075.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,445.43 : 842,239.22 = 352,301.67 : x
  2. Step 2: Convert to fraction form
    610,445.43/842,239.22 = 352,301.67/x
  3. Step 3: Cross multiply
    610,445.43x = 842,239.22 × 352,301.67
  4. Step 4: Simplify right side
    610,445.43x = 296,722,281,983.99
  5. Step 5: Solve for x
    x = 296,722,281,983.99/610,445.43
  6. Step 6: Final answer
    x = 486,075.03

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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.