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Finding the Fourth Proportional to 255,004.40, 382,506.60 and 153,527.60

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Solution

The fourth proportional to 255,004.40, 382,506.60 and 153,527.60 is: 230,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,004.40 : 382,506.60 = 153,527.60 : x
  2. Step 2: Convert to fraction form
    255,004.40/382,506.60 = 153,527.60/x
  3. Step 3: Cross multiply
    255,004.40x = 382,506.60 × 153,527.60
  4. Step 4: Simplify right side
    255,004.40x = 58,725,320,282.16
  5. Step 5: Solve for x
    x = 58,725,320,282.16/255,004.40
  6. Step 6: Final answer
    x = 230,291.40

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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.