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Finding the Fourth Proportional to 909,533.90, 1,361,676.45 and 804,557.90

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Solution

The fourth proportional to 909,533.90, 1,361,676.45 and 804,557.90 is: 1,204,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,533.90 : 1,361,676.45 = 804,557.90 : x
  2. Step 2: Convert to fraction form
    909,533.90/1,361,676.45 = 804,557.90/x
  3. Step 3: Cross multiply
    909,533.90x = 1,361,676.45 × 804,557.90
  4. Step 4: Simplify right side
    909,533.90x = 1,095,547,545,091.46
  5. Step 5: Solve for x
    x = 1,095,547,545,091.46/909,533.90
  6. Step 6: Final answer
    x = 1,204,515.35

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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.