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Finding the Fourth Proportional to 401,895.04, 554,691.68 and 265,931.68

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Solution

The fourth proportional to 401,895.04, 554,691.68 and 265,931.68 is: 367,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,895.04 : 554,691.68 = 265,931.68 : x
  2. Step 2: Convert to fraction form
    401,895.04/554,691.68 = 265,931.68/x
  3. Step 3: Cross multiply
    401,895.04x = 554,691.68 × 265,931.68
  4. Step 4: Simplify right side
    401,895.04x = 147,510,090,344.42
  5. Step 5: Solve for x
    x = 147,510,090,344.42/401,895.04
  6. Step 6: Final answer
    x = 367,036.35

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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.