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Finding the Fourth Proportional to 977,885.40, 1,466,828.10 and 977,885.40

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Solution

The fourth proportional to 977,885.40, 1,466,828.10 and 977,885.40 is: 1,466,828.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,885.40 : 1,466,828.10 = 977,885.40 : x
  2. Step 2: Convert to fraction form
    977,885.40/1,466,828.10 = 977,885.40/x
  3. Step 3: Cross multiply
    977,885.40x = 1,466,828.10 × 977,885.40
  4. Step 4: Simplify right side
    977,885.40x = 1,434,389,783,299.74
  5. Step 5: Solve for x
    x = 1,434,389,783,299.74/977,885.40
  6. Step 6: Final answer
    x = 1,466,828.10

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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.