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Finding the Fourth Proportional to 480,492.68, 663,022.32 and 265,603.56

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Solution

The fourth proportional to 480,492.68, 663,022.32 and 265,603.56 is: 366,501.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,492.68 : 663,022.32 = 265,603.56 : x
  2. Step 2: Convert to fraction form
    480,492.68/663,022.32 = 265,603.56/x
  3. Step 3: Cross multiply
    480,492.68x = 663,022.32 × 265,603.56
  4. Step 4: Simplify right side
    480,492.68x = 176,101,088,551.46
  5. Step 5: Solve for x
    x = 176,101,088,551.46/480,492.68
  6. Step 6: Final answer
    x = 366,501.08

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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.