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Finding the Fourth Proportional to 436,915.04, 602,820.96 and 281,800.70

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Solution

The fourth proportional to 436,915.04, 602,820.96 and 281,800.70 is: 388,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,915.04 : 602,820.96 = 281,800.70 : x
  2. Step 2: Convert to fraction form
    436,915.04/602,820.96 = 281,800.70/x
  3. Step 3: Cross multiply
    436,915.04x = 602,820.96 × 281,800.70
  4. Step 4: Simplify right side
    436,915.04x = 169,875,368,502.67
  5. Step 5: Solve for x
    x = 169,875,368,502.67/436,915.04
  6. Step 6: Final answer
    x = 388,806.41

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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.