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Finding the Fourth Proportional to 480,411.76, 662,968.40 and 265,551.77

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Solution

The fourth proportional to 480,411.76, 662,968.40 and 265,551.77 is: 366,461.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,411.76 : 662,968.40 = 265,551.77 : x
  2. Step 2: Convert to fraction form
    480,411.76/662,968.40 = 265,551.77/x
  3. Step 3: Cross multiply
    480,411.76x = 662,968.40 × 265,551.77
  4. Step 4: Simplify right side
    480,411.76x = 176,052,428,674.53
  5. Step 5: Solve for x
    x = 176,052,428,674.53/480,411.76
  6. Step 6: Final answer
    x = 366,461.53

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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.