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Finding the Fourth Proportional to 535,328, 803,303.04 and 239,840

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Solution

The fourth proportional to 535,328, 803,303.04 and 239,840 is: 359,899.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,328 : 803,303.04 = 239,840 : x
  2. Step 2: Convert to fraction form
    535,328/803,303.04 = 239,840/x
  3. Step 3: Cross multiply
    535,328x = 803,303.04 × 239,840
  4. Step 4: Simplify right side
    535,328x = 192,664,201,113.60
  5. Step 5: Solve for x
    x = 192,664,201,113.60/535,328
  6. Step 6: Final answer
    x = 359,899.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.