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Finding the Fourth Proportional to 480,492.18, 663,021.62 and 265,603.06

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Solution

The fourth proportional to 480,492.18, 663,021.62 and 265,603.06 is: 366,500.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,492.18 : 663,021.62 = 265,603.06 : x
  2. Step 2: Convert to fraction form
    480,492.18/663,021.62 = 265,603.06/x
  3. Step 3: Cross multiply
    480,492.18x = 663,021.62 × 265,603.06
  4. Step 4: Simplify right side
    480,492.18x = 176,100,571,118.16
  5. Step 5: Solve for x
    x = 176,100,571,118.16/480,492.18
  6. Step 6: Final answer
    x = 366,500.39

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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.