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Finding the Fourth Proportional to 407,925.47, 562,904.14 and 235,854.48

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Solution

The fourth proportional to 407,925.47, 562,904.14 and 235,854.48 is: 325,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,925.47 : 562,904.14 = 235,854.48 : x
  2. Step 2: Convert to fraction form
    407,925.47/562,904.14 = 235,854.48/x
  3. Step 3: Cross multiply
    407,925.47x = 562,904.14 × 235,854.48
  4. Step 4: Simplify right side
    407,925.47x = 132,763,463,229.55
  5. Step 5: Solve for x
    x = 132,763,463,229.55/407,925.47
  6. Step 6: Final answer
    x = 325,460.10

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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.