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Finding the Fourth Proportional to 255,527.70, 383,293.08 and 65,975.16

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Solution

The fourth proportional to 255,527.70, 383,293.08 and 65,975.16 is: 98,963.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,527.70 : 383,293.08 = 65,975.16 : x
  2. Step 2: Convert to fraction form
    255,527.70/383,293.08 = 65,975.16/x
  3. Step 3: Cross multiply
    255,527.70x = 383,293.08 × 65,975.16
  4. Step 4: Simplify right side
    255,527.70x = 25,287,822,279.89
  5. Step 5: Solve for x
    x = 25,287,822,279.89/255,527.70
  6. Step 6: Final answer
    x = 98,963.14

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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.