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Finding the Fourth Proportional to 922,156.62, 1,272,573.67 and 514,258.93

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Solution

The fourth proportional to 922,156.62, 1,272,573.67 and 514,258.93 is: 709,675.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,156.62 : 1,272,573.67 = 514,258.93 : x
  2. Step 2: Convert to fraction form
    922,156.62/1,272,573.67 = 514,258.93/x
  3. Step 3: Cross multiply
    922,156.62x = 1,272,573.67 × 514,258.93
  4. Step 4: Simplify right side
    922,156.62x = 654,432,373,880.37
  5. Step 5: Solve for x
    x = 654,432,373,880.37/922,156.62
  6. Step 6: Final answer
    x = 709,675.95

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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.