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Finding the Fourth Proportional to 301,531, 452,503.88 and 104,539

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Solution

The fourth proportional to 301,531, 452,503.88 and 104,539 is: 156,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,531 : 452,503.88 = 104,539 : x
  2. Step 2: Convert to fraction form
    301,531/452,503.88 = 104,539/x
  3. Step 3: Cross multiply
    301,531x = 452,503.88 × 104,539
  4. Step 4: Simplify right side
    301,531x = 47,304,303,111.32
  5. Step 5: Solve for x
    x = 47,304,303,111.32/301,531
  6. Step 6: Final answer
    x = 156,880.40

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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.