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Finding the Fourth Proportional to 335,705.01, 462,390.41 and 258,032.12

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Solution

The fourth proportional to 335,705.01, 462,390.41 and 258,032.12 is: 355,406.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,705.01 : 462,390.41 = 258,032.12 : x
  2. Step 2: Convert to fraction form
    335,705.01/462,390.41 = 258,032.12/x
  3. Step 3: Cross multiply
    335,705.01x = 462,390.41 × 258,032.12
  4. Step 4: Simplify right side
    335,705.01x = 119,311,574,157.86
  5. Step 5: Solve for x
    x = 119,311,574,157.86/335,705.01
  6. Step 6: Final answer
    x = 355,406.00

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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.