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Finding the Fourth Proportional to 1,697,973.24, 2,343,374.76 and 972,917.16

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Solution

The fourth proportional to 1,697,973.24, 2,343,374.76 and 972,917.16 is: 1,342,724.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,973.24 : 2,343,374.76 = 972,917.16 : x
  2. Step 2: Convert to fraction form
    1,697,973.24/2,343,374.76 = 972,917.16/x
  3. Step 3: Cross multiply
    1,697,973.24x = 2,343,374.76 × 972,917.16
  4. Step 4: Simplify right side
    1,697,973.24x = 2,279,909,516,314.88
  5. Step 5: Solve for x
    x = 2,279,909,516,314.88/1,697,973.24
  6. Step 6: Final answer
    x = 1,342,724.06

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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.