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Finding the Fourth Proportional to 480,772.41, 663,386.67 and 265,870.50

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Solution

The fourth proportional to 480,772.41, 663,386.67 and 265,870.50 is: 366,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,772.41 : 663,386.67 = 265,870.50 : x
  2. Step 2: Convert to fraction form
    480,772.41/663,386.67 = 265,870.50/x
  3. Step 3: Cross multiply
    480,772.41x = 663,386.67 × 265,870.50
  4. Step 4: Simplify right side
    480,772.41x = 176,374,945,646.24
  5. Step 5: Solve for x
    x = 176,374,945,646.24/480,772.41
  6. Step 6: Final answer
    x = 366,857.46

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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.