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Finding the Fourth Proportional to 579,746.30, 869,749.05 and 224,728.70

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Solution

The fourth proportional to 579,746.30, 869,749.05 and 224,728.70 is: 337,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,746.30 : 869,749.05 = 224,728.70 : x
  2. Step 2: Convert to fraction form
    579,746.30/869,749.05 = 224,728.70/x
  3. Step 3: Cross multiply
    579,746.30x = 869,749.05 × 224,728.70
  4. Step 4: Simplify right side
    579,746.30x = 195,457,573,332.74
  5. Step 5: Solve for x
    x = 195,457,573,332.74/579,746.30
  6. Step 6: Final answer
    x = 337,143.29

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.