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Finding the Fourth Proportional to 1,337,295.94, 2,005,869.72 and 977,835.16

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Solution

The fourth proportional to 1,337,295.94, 2,005,869.72 and 977,835.16 is: 1,466,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,295.94 : 2,005,869.72 = 977,835.16 : x
  2. Step 2: Convert to fraction form
    1,337,295.94/2,005,869.72 = 977,835.16/x
  3. Step 3: Cross multiply
    1,337,295.94x = 2,005,869.72 × 977,835.16
  4. Step 4: Simplify right side
    1,337,295.94x = 1,961,409,938,595.36
  5. Step 5: Solve for x
    x = 1,961,409,938,595.36/1,337,295.94
  6. Step 6: Final answer
    x = 1,466,698.49

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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.