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Finding the Fourth Proportional to 922,698.32, 1,273,332.84 and 514,796.72

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Solution

The fourth proportional to 922,698.32, 1,273,332.84 and 514,796.72 is: 710,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,698.32 : 1,273,332.84 = 514,796.72 : x
  2. Step 2: Convert to fraction form
    922,698.32/1,273,332.84 = 514,796.72/x
  3. Step 3: Cross multiply
    922,698.32x = 1,273,332.84 × 514,796.72
  4. Step 4: Simplify right side
    922,698.32x = 655,507,569,500.29
  5. Step 5: Solve for x
    x = 655,507,569,500.29/922,698.32
  6. Step 6: Final answer
    x = 710,424.58

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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.