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Finding the Fourth Proportional to 562,915.53, 776,823.80 and 304,792.65

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Solution

The fourth proportional to 562,915.53, 776,823.80 and 304,792.65 is: 420,614.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,915.53 : 776,823.80 = 304,792.65 : x
  2. Step 2: Convert to fraction form
    562,915.53/776,823.80 = 304,792.65/x
  3. Step 3: Cross multiply
    562,915.53x = 776,823.80 × 304,792.65
  4. Step 4: Simplify right side
    562,915.53x = 236,770,183,061.11
  5. Step 5: Solve for x
    x = 236,770,183,061.11/562,915.53
  6. Step 6: Final answer
    x = 420,614.05

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1.5x scale

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.