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Finding the Fourth Proportional to 385,898.48, 532,572.72 and 224,768.24

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Solution

The fourth proportional to 385,898.48, 532,572.72 and 224,768.24 is: 310,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,898.48 : 532,572.72 = 224,768.24 : x
  2. Step 2: Convert to fraction form
    385,898.48/532,572.72 = 224,768.24/x
  3. Step 3: Cross multiply
    385,898.48x = 532,572.72 × 224,768.24
  4. Step 4: Simplify right side
    385,898.48x = 119,705,432,946.41
  5. Step 5: Solve for x
    x = 119,705,432,946.41/385,898.48
  6. Step 6: Final answer
    x = 310,199.29

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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.