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Finding the Fourth Proportional to 480,094.30, 720,141.45 and 164,554.30

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Solution

The fourth proportional to 480,094.30, 720,141.45 and 164,554.30 is: 246,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,094.30 : 720,141.45 = 164,554.30 : x
  2. Step 2: Convert to fraction form
    480,094.30/720,141.45 = 164,554.30/x
  3. Step 3: Cross multiply
    480,094.30x = 720,141.45 × 164,554.30
  4. Step 4: Simplify right side
    480,094.30x = 118,502,372,205.74
  5. Step 5: Solve for x
    x = 118,502,372,205.74/480,094.30
  6. Step 6: Final answer
    x = 246,831.45

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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.