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Finding the Fourth Proportional to 511,368.61, 705,532.29 and 296,465.79

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Solution

The fourth proportional to 511,368.61, 705,532.29 and 296,465.79 is: 409,032.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,368.61 : 705,532.29 = 296,465.79 : x
  2. Step 2: Convert to fraction form
    511,368.61/705,532.29 = 296,465.79/x
  3. Step 3: Cross multiply
    511,368.61x = 705,532.29 × 296,465.79
  4. Step 4: Simplify right side
    511,368.61x = 209,166,187,725.36
  5. Step 5: Solve for x
    x = 209,166,187,725.36/511,368.61
  6. Step 6: Final answer
    x = 409,032.13

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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.