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Finding the Fourth Proportional to 737,901.32, 1,018,529.64 and 432,049.40

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Solution

The fourth proportional to 737,901.32, 1,018,529.64 and 432,049.40 is: 596,360.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,901.32 : 1,018,529.64 = 432,049.40 : x
  2. Step 2: Convert to fraction form
    737,901.32/1,018,529.64 = 432,049.40/x
  3. Step 3: Cross multiply
    737,901.32x = 1,018,529.64 × 432,049.40
  4. Step 4: Simplify right side
    737,901.32x = 440,055,119,844.22
  5. Step 5: Solve for x
    x = 440,055,119,844.22/737,901.32
  6. Step 6: Final answer
    x = 596,360.39

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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.