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Finding the Fourth Proportional to 464,009.02, 640,377.39 and 260,094.58

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Solution

The fourth proportional to 464,009.02, 640,377.39 and 260,094.58 is: 358,955.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,009.02 : 640,377.39 = 260,094.58 : x
  2. Step 2: Convert to fraction form
    464,009.02/640,377.39 = 260,094.58/x
  3. Step 3: Cross multiply
    464,009.02x = 640,377.39 × 260,094.58
  4. Step 4: Simplify right side
    464,009.02x = 166,558,688,293.55
  5. Step 5: Solve for x
    x = 166,558,688,293.55/464,009.02
  6. Step 6: Final answer
    x = 358,955.71

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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.