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Finding the Fourth Proportional to 480,794.22, 663,437.79 and 265,905

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Solution

The fourth proportional to 480,794.22, 663,437.79 and 265,905 is: 366,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,794.22 : 663,437.79 = 265,905 : x
  2. Step 2: Convert to fraction form
    480,794.22/663,437.79 = 265,905/x
  3. Step 3: Cross multiply
    480,794.22x = 663,437.79 × 265,905
  4. Step 4: Simplify right side
    480,794.22x = 176,411,425,549.95
  5. Step 5: Solve for x
    x = 176,411,425,549.95/480,794.22
  6. Step 6: Final answer
    x = 366,916.69

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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.