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Finding the Fourth Proportional to 480,564.38, 663,127.86 and 265,669.76

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Solution

The fourth proportional to 480,564.38, 663,127.86 and 265,669.76 is: 366,596.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,564.38 : 663,127.86 = 265,669.76 : x
  2. Step 2: Convert to fraction form
    480,564.38/663,127.86 = 265,669.76/x
  3. Step 3: Cross multiply
    480,564.38x = 663,127.86 × 265,669.76
  4. Step 4: Simplify right side
    480,564.38x = 176,173,019,415.51
  5. Step 5: Solve for x
    x = 176,173,019,415.51/480,564.38
  6. Step 6: Final answer
    x = 366,596.08

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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.