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Finding the Fourth Proportional to 403,460.59, 556,255.32 and 330,592.58

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Solution

The fourth proportional to 403,460.59, 556,255.32 and 330,592.58 is: 455,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,460.59 : 556,255.32 = 330,592.58 : x
  2. Step 2: Convert to fraction form
    403,460.59/556,255.32 = 330,592.58/x
  3. Step 3: Cross multiply
    403,460.59x = 556,255.32 × 330,592.58
  4. Step 4: Simplify right side
    403,460.59x = 183,893,881,377.53
  5. Step 5: Solve for x
    x = 183,893,881,377.53/403,460.59
  6. Step 6: Final answer
    x = 455,791.44

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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.