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Finding the Fourth Proportional to 554,870.58, 765,639.29 and 336,965.93

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Solution

The fourth proportional to 554,870.58, 765,639.29 and 336,965.93 is: 464,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,870.58 : 765,639.29 = 336,965.93 : x
  2. Step 2: Convert to fraction form
    554,870.58/765,639.29 = 336,965.93/x
  3. Step 3: Cross multiply
    554,870.58x = 765,639.29 × 336,965.93
  4. Step 4: Simplify right side
    554,870.58x = 257,994,349,886.36
  5. Step 5: Solve for x
    x = 257,994,349,886.36/554,870.58
  6. Step 6: Final answer
    x = 464,963.11

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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.