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Finding the Fourth Proportional to 464,465.06, 640,987.14 and 260,580.56

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Solution

The fourth proportional to 464,465.06, 640,987.14 and 260,580.56 is: 359,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,465.06 : 640,987.14 = 260,580.56 : x
  2. Step 2: Convert to fraction form
    464,465.06/640,987.14 = 260,580.56/x
  3. Step 3: Cross multiply
    464,465.06x = 640,987.14 × 260,580.56
  4. Step 4: Simplify right side
    464,465.06x = 167,028,787,894.00
  5. Step 5: Solve for x
    x = 167,028,787,894.00/464,465.06
  6. Step 6: Final answer
    x = 359,615.40

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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.