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Finding the Fourth Proportional to 562,570.26, 776,354.26 and 307,915.98

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Solution

The fourth proportional to 562,570.26, 776,354.26 and 307,915.98 is: 424,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,570.26 : 776,354.26 = 307,915.98 : x
  2. Step 2: Convert to fraction form
    562,570.26/776,354.26 = 307,915.98/x
  3. Step 3: Cross multiply
    562,570.26x = 776,354.26 × 307,915.98
  4. Step 4: Simplify right side
    562,570.26x = 239,051,882,795.08
  5. Step 5: Solve for x
    x = 239,051,882,795.08/562,570.26
  6. Step 6: Final answer
    x = 424,928.05

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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.