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Finding the Fourth Proportional to 653,303.72, 901,603.70 and 362,949.32

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Solution

The fourth proportional to 653,303.72, 901,603.70 and 362,949.32 is: 500,894.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,303.72 : 901,603.70 = 362,949.32 : x
  2. Step 2: Convert to fraction form
    653,303.72/901,603.70 = 362,949.32/x
  3. Step 3: Cross multiply
    653,303.72x = 901,603.70 × 362,949.32
  4. Step 4: Simplify right side
    653,303.72x = 327,236,449,824.48
  5. Step 5: Solve for x
    x = 327,236,449,824.48/653,303.72
  6. Step 6: Final answer
    x = 500,894.82

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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.