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Finding the Fourth Proportional to 258,590.54, 357,030.75 and 161,833.58

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Solution

The fourth proportional to 258,590.54, 357,030.75 and 161,833.58 is: 223,440.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,590.54 : 357,030.75 = 161,833.58 : x
  2. Step 2: Convert to fraction form
    258,590.54/357,030.75 = 161,833.58/x
  3. Step 3: Cross multiply
    258,590.54x = 357,030.75 × 161,833.58
  4. Step 4: Simplify right side
    258,590.54x = 57,779,564,603.17
  5. Step 5: Solve for x
    x = 57,779,564,603.17/258,590.54
  6. Step 6: Final answer
    x = 223,440.36

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1.5x scale

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.