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Finding the Fourth Proportional to 637,492.46, 879,706.20 and 350,957.18

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Solution

The fourth proportional to 637,492.46, 879,706.20 and 350,957.18 is: 484,302.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,492.46 : 879,706.20 = 350,957.18 : x
  2. Step 2: Convert to fraction form
    637,492.46/879,706.20 = 350,957.18/x
  3. Step 3: Cross multiply
    637,492.46x = 879,706.20 × 350,957.18
  4. Step 4: Simplify right side
    637,492.46x = 308,739,207,180.52
  5. Step 5: Solve for x
    x = 308,739,207,180.52/637,492.46
  6. Step 6: Final answer
    x = 484,302.52

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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.