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Finding the Fourth Proportional to 452,159.82, 624,012.09 and 298,931.79

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Solution

The fourth proportional to 452,159.82, 624,012.09 and 298,931.79 is: 412,546.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,159.82 : 624,012.09 = 298,931.79 : x
  2. Step 2: Convert to fraction form
    452,159.82/624,012.09 = 298,931.79/x
  3. Step 3: Cross multiply
    452,159.82x = 624,012.09 × 298,931.79
  4. Step 4: Simplify right side
    452,159.82x = 186,537,051,045.34
  5. Step 5: Solve for x
    x = 186,537,051,045.34/452,159.82
  6. Step 6: Final answer
    x = 412,546.72

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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.