Home / 369,579.22-510,036.68-208,430.93

Finding the Fourth Proportional to 369,579.22, 510,036.68 and 208,430.93

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Solution

The fourth proportional to 369,579.22, 510,036.68 and 208,430.93 is: 287,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,579.22 : 510,036.68 = 208,430.93 : x
  2. Step 2: Convert to fraction form
    369,579.22/510,036.68 = 208,430.93/x
  3. Step 3: Cross multiply
    369,579.22x = 510,036.68 × 208,430.93
  4. Step 4: Simplify right side
    369,579.22x = 106,307,419,546.51
  5. Step 5: Solve for x
    x = 106,307,419,546.51/369,579.22
  6. Step 6: Final answer
    x = 287,644.47

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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.