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Finding the Fourth Proportional to 1,480,677.70, 2,077,672.70 and 1,480,677.70

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Solution

The fourth proportional to 1,480,677.70, 2,077,672.70 and 1,480,677.70 is: 2,077,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,677.70 : 2,077,672.70 = 1,480,677.70 : x
  2. Step 2: Convert to fraction form
    1,480,677.70/2,077,672.70 = 1,480,677.70/x
  3. Step 3: Cross multiply
    1,480,677.70x = 2,077,672.70 × 1,480,677.70
  4. Step 4: Simplify right side
    1,480,677.70x = 3,076,363,634,788.79
  5. Step 5: Solve for x
    x = 3,076,363,634,788.79/1,480,677.70
  6. Step 6: Final answer
    x = 2,077,672.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.