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Finding the Fourth Proportional to 353,397.33, 530,093.56 and 143,032.23

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Solution

The fourth proportional to 353,397.33, 530,093.56 and 143,032.23 is: 214,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,397.33 : 530,093.56 = 143,032.23 : x
  2. Step 2: Convert to fraction form
    353,397.33/530,093.56 = 143,032.23/x
  3. Step 3: Cross multiply
    353,397.33x = 530,093.56 × 143,032.23
  4. Step 4: Simplify right side
    353,397.33x = 75,820,460,629.81
  5. Step 5: Solve for x
    x = 75,820,460,629.81/353,397.33
  6. Step 6: Final answer
    x = 214,547.35

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1.5x scale

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.