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Finding the Fourth Proportional to 922,641.17, 1,273,242.93 and 514,718.67

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Solution

The fourth proportional to 922,641.17, 1,273,242.93 and 514,718.67 is: 710,310.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,641.17 : 1,273,242.93 = 514,718.67 : x
  2. Step 2: Convert to fraction form
    922,641.17/1,273,242.93 = 514,718.67/x
  3. Step 3: Cross multiply
    922,641.17x = 1,273,242.93 × 514,718.67
  4. Step 4: Simplify right side
    922,641.17x = 655,361,906,094.27
  5. Step 5: Solve for x
    x = 655,361,906,094.27/922,641.17
  6. Step 6: Final answer
    x = 710,310.72

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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.