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Finding the Fourth Proportional to 480,088.62, 720,240.15 and 180,571.77

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Solution

The fourth proportional to 480,088.62, 720,240.15 and 180,571.77 is: 270,897.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,088.62 : 720,240.15 = 180,571.77 : x
  2. Step 2: Convert to fraction form
    480,088.62/720,240.15 = 180,571.77/x
  3. Step 3: Cross multiply
    480,088.62x = 720,240.15 × 180,571.77
  4. Step 4: Simplify right side
    480,088.62x = 130,055,038,710.57
  5. Step 5: Solve for x
    x = 130,055,038,710.57/480,088.62
  6. Step 6: Final answer
    x = 270,897.98

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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.