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Finding the Fourth Proportional to 434,888.04, 651,702.48 and 299,813.46

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Solution

The fourth proportional to 434,888.04, 651,702.48 and 299,813.46 is: 449,286.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,888.04 : 651,702.48 = 299,813.46 : x
  2. Step 2: Convert to fraction form
    434,888.04/651,702.48 = 299,813.46/x
  3. Step 3: Cross multiply
    434,888.04x = 651,702.48 × 299,813.46
  4. Step 4: Simplify right side
    434,888.04x = 195,389,175,419.38
  5. Step 5: Solve for x
    x = 195,389,175,419.38/434,888.04
  6. Step 6: Final answer
    x = 449,286.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.