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Finding the Fourth Proportional to 808,779.34, 1,116,119.19 and 446,203

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Solution

The fourth proportional to 808,779.34, 1,116,119.19 and 446,203 is: 615,762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,779.34 : 1,116,119.19 = 446,203 : x
  2. Step 2: Convert to fraction form
    808,779.34/1,116,119.19 = 446,203/x
  3. Step 3: Cross multiply
    808,779.34x = 1,116,119.19 × 446,203
  4. Step 4: Simplify right side
    808,779.34x = 498,015,730,935.57
  5. Step 5: Solve for x
    x = 498,015,730,935.57/808,779.34
  6. Step 6: Final answer
    x = 615,762.18

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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.