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Finding the Fourth Proportional to 246,395.52, 340,148.16 and 155,831.04

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Solution

The fourth proportional to 246,395.52, 340,148.16 and 155,831.04 is: 215,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,395.52 : 340,148.16 = 155,831.04 : x
  2. Step 2: Convert to fraction form
    246,395.52/340,148.16 = 155,831.04/x
  3. Step 3: Cross multiply
    246,395.52x = 340,148.16 × 155,831.04
  4. Step 4: Simplify right side
    246,395.52x = 53,005,641,526.89
  5. Step 5: Solve for x
    x = 53,005,641,526.89/246,395.52
  6. Step 6: Final answer
    x = 215,124.21

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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.