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Finding the Fourth Proportional to 1,316,659.06, 1,973,834.91 and 633,203.32

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Solution

The fourth proportional to 1,316,659.06, 1,973,834.91 and 633,203.32 is: 949,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,659.06 : 1,973,834.91 = 633,203.32 : x
  2. Step 2: Convert to fraction form
    1,316,659.06/1,973,834.91 = 633,203.32/x
  3. Step 3: Cross multiply
    1,316,659.06x = 1,973,834.91 × 633,203.32
  4. Step 4: Simplify right side
    1,316,659.06x = 1,249,838,818,143.90
  5. Step 5: Solve for x
    x = 1,249,838,818,143.90/1,316,659.06
  6. Step 6: Final answer
    x = 949,250.16

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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.