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Finding the Fourth Proportional to 675,330.02, 1,013,708.03 and 660,081.84

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Solution

The fourth proportional to 675,330.02, 1,013,708.03 and 660,081.84 is: 990,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,330.02 : 1,013,708.03 = 660,081.84 : x
  2. Step 2: Convert to fraction form
    675,330.02/1,013,708.03 = 660,081.84/x
  3. Step 3: Cross multiply
    675,330.02x = 1,013,708.03 × 660,081.84
  4. Step 4: Simplify right side
    675,330.02x = 669,130,258,364.77
  5. Step 5: Solve for x
    x = 669,130,258,364.77/675,330.02
  6. Step 6: Final answer
    x = 990,819.66

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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.