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Finding the Fourth Proportional to 341,123.68, 511,686.76 and 104,465.40

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Solution

The fourth proportional to 341,123.68, 511,686.76 and 104,465.40 is: 156,698.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,123.68 : 511,686.76 = 104,465.40 : x
  2. Step 2: Convert to fraction form
    341,123.68/511,686.76 = 104,465.40/x
  3. Step 3: Cross multiply
    341,123.68x = 511,686.76 × 104,465.40
  4. Step 4: Simplify right side
    341,123.68x = 53,453,562,058.10
  5. Step 5: Solve for x
    x = 53,453,562,058.10/341,123.68
  6. Step 6: Final answer
    x = 156,698.48

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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.