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Finding the Fourth Proportional to 332,284.74, 458,563.32 and 189,065.40

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Solution

The fourth proportional to 332,284.74, 458,563.32 and 189,065.40 is: 260,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,284.74 : 458,563.32 = 189,065.40 : x
  2. Step 2: Convert to fraction form
    332,284.74/458,563.32 = 189,065.40/x
  3. Step 3: Cross multiply
    332,284.74x = 458,563.32 × 189,065.40
  4. Step 4: Simplify right side
    332,284.74x = 86,698,457,521.13
  5. Step 5: Solve for x
    x = 86,698,457,521.13/332,284.74
  6. Step 6: Final answer
    x = 260,916.16

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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.