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Finding the Fourth Proportional to 443,335, 611,806.19 and 252,360.67

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Solution

The fourth proportional to 443,335, 611,806.19 and 252,360.67 is: 348,259.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,335 : 611,806.19 = 252,360.67 : x
  2. Step 2: Convert to fraction form
    443,335/611,806.19 = 252,360.67/x
  3. Step 3: Cross multiply
    443,335x = 611,806.19 × 252,360.67
  4. Step 4: Simplify right side
    443,335x = 154,395,820,018.55
  5. Step 5: Solve for x
    x = 154,395,820,018.55/443,335
  6. Step 6: Final answer
    x = 348,259.94

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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.