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Finding the Fourth Proportional to 468,283.98, 646,233.48 and 253,423.98

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Solution

The fourth proportional to 468,283.98, 646,233.48 and 253,423.98 is: 349,725.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,283.98 : 646,233.48 = 253,423.98 : x
  2. Step 2: Convert to fraction form
    468,283.98/646,233.48 = 253,423.98/x
  3. Step 3: Cross multiply
    468,283.98x = 646,233.48 × 253,423.98
  4. Step 4: Simplify right side
    468,283.98x = 163,771,060,510.85
  5. Step 5: Solve for x
    x = 163,771,060,510.85/468,283.98
  6. Step 6: Final answer
    x = 349,725.95

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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.