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Finding the Fourth Proportional to 446,459.45, 616,121.54 and 242,510.76

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Solution

The fourth proportional to 446,459.45, 616,121.54 and 242,510.76 is: 334,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,459.45 : 616,121.54 = 242,510.76 : x
  2. Step 2: Convert to fraction form
    446,459.45/616,121.54 = 242,510.76/x
  3. Step 3: Cross multiply
    446,459.45x = 616,121.54 × 242,510.76
  4. Step 4: Simplify right side
    446,459.45x = 149,416,102,614.63
  5. Step 5: Solve for x
    x = 149,416,102,614.63/446,459.45
  6. Step 6: Final answer
    x = 334,668.93

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Double scale
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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.