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Finding the Fourth Proportional to 1,590,300.30, 2,221,696.50 and 1,590,300.30

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Solution

The fourth proportional to 1,590,300.30, 2,221,696.50 and 1,590,300.30 is: 2,221,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,300.30 : 2,221,696.50 = 1,590,300.30 : x
  2. Step 2: Convert to fraction form
    1,590,300.30/2,221,696.50 = 1,590,300.30/x
  3. Step 3: Cross multiply
    1,590,300.30x = 2,221,696.50 × 1,590,300.30
  4. Step 4: Simplify right side
    1,590,300.30x = 3,533,164,610,458.95
  5. Step 5: Solve for x
    x = 3,533,164,610,458.95/1,590,300.30
  6. Step 6: Final answer
    x = 2,221,696.50

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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.