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Finding the Fourth Proportional to 1,697,324.32, 2,348,475.56 and 1,479,985.88

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Solution

The fourth proportional to 1,697,324.32, 2,348,475.56 and 1,479,985.88 is: 2,047,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,324.32 : 2,348,475.56 = 1,479,985.88 : x
  2. Step 2: Convert to fraction form
    1,697,324.32/2,348,475.56 = 1,479,985.88/x
  3. Step 3: Cross multiply
    1,697,324.32x = 2,348,475.56 × 1,479,985.88
  4. Step 4: Simplify right side
    1,697,324.32x = 3,475,710,668,325.09
  5. Step 5: Solve for x
    x = 3,475,710,668,325.09/1,697,324.32
  6. Step 6: Final answer
    x = 2,047,758.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.