Home / 369,772.32-510,275.41-208,642.36

Finding the Fourth Proportional to 369,772.32, 510,275.41 and 208,642.36

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Solution

The fourth proportional to 369,772.32, 510,275.41 and 208,642.36 is: 287,920.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,772.32 : 510,275.41 = 208,642.36 : x
  2. Step 2: Convert to fraction form
    369,772.32/510,275.41 = 208,642.36/x
  3. Step 3: Cross multiply
    369,772.32x = 510,275.41 × 208,642.36
  4. Step 4: Simplify right side
    369,772.32x = 106,465,065,792.37
  5. Step 5: Solve for x
    x = 106,465,065,792.37/369,772.32
  6. Step 6: Final answer
    x = 287,920.59

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1.5x scale

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.