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Finding the Fourth Proportional to 648,305.29, 893,590.50 and 433,366.93

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Solution

The fourth proportional to 648,305.29, 893,590.50 and 433,366.93 is: 597,330.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,305.29 : 893,590.50 = 433,366.93 : x
  2. Step 2: Convert to fraction form
    648,305.29/893,590.50 = 433,366.93/x
  3. Step 3: Cross multiply
    648,305.29x = 893,590.50 × 433,366.93
  4. Step 4: Simplify right side
    648,305.29x = 387,252,571,662.17
  5. Step 5: Solve for x
    x = 387,252,571,662.17/648,305.29
  6. Step 6: Final answer
    x = 597,330.58

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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.