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Finding the Fourth Proportional to 922,507.92, 1,273,083.48 and 514,606.86

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Solution

The fourth proportional to 922,507.92, 1,273,083.48 and 514,606.86 is: 710,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,507.92 : 1,273,083.48 = 514,606.86 : x
  2. Step 2: Convert to fraction form
    922,507.92/1,273,083.48 = 514,606.86/x
  3. Step 3: Cross multiply
    922,507.92x = 1,273,083.48 × 514,606.86
  4. Step 4: Simplify right side
    922,507.92x = 655,137,492,160.67
  5. Step 5: Solve for x
    x = 655,137,492,160.67/922,507.92
  6. Step 6: Final answer
    x = 710,170.05

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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.