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Finding the Fourth Proportional to 922,536.64, 1,273,097.03 and 514,638.16

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Solution

The fourth proportional to 922,536.64, 1,273,097.03 and 514,638.16 is: 710,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,536.64 : 1,273,097.03 = 514,638.16 : x
  2. Step 2: Convert to fraction form
    922,536.64/1,273,097.03 = 514,638.16/x
  3. Step 3: Cross multiply
    922,536.64x = 1,273,097.03 × 514,638.16
  4. Step 4: Simplify right side
    922,536.64x = 655,184,312,330.73
  5. Step 5: Solve for x
    x = 655,184,312,330.73/922,536.64
  6. Step 6: Final answer
    x = 710,198.69

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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.