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Finding the Fourth Proportional to 570,512.54, 787,328.53 and 325,537.18

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Solution

The fourth proportional to 570,512.54, 787,328.53 and 325,537.18 is: 449,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,512.54 : 787,328.53 = 325,537.18 : x
  2. Step 2: Convert to fraction form
    570,512.54/787,328.53 = 325,537.18/x
  3. Step 3: Cross multiply
    570,512.54x = 787,328.53 × 325,537.18
  4. Step 4: Simplify right side
    570,512.54x = 256,304,707,762.06
  5. Step 5: Solve for x
    x = 256,304,707,762.06/570,512.54
  6. Step 6: Final answer
    x = 449,253.42

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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.