Home / 468,276.32-646,222.98-253,416.36

Finding the Fourth Proportional to 468,276.32, 646,222.98 and 253,416.36

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Solution

The fourth proportional to 468,276.32, 646,222.98 and 253,416.36 is: 349,715.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,276.32 : 646,222.98 = 253,416.36 : x
  2. Step 2: Convert to fraction form
    468,276.32/646,222.98 = 253,416.36/x
  3. Step 3: Cross multiply
    468,276.32x = 646,222.98 × 253,416.36
  4. Step 4: Simplify right side
    468,276.32x = 163,763,475,339.95
  5. Step 5: Solve for x
    x = 163,763,475,339.95/468,276.32
  6. Step 6: Final answer
    x = 349,715.47

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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.