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Finding the Fourth Proportional to 368,332.46, 508,368.56 and 230,575.51

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Solution

The fourth proportional to 368,332.46, 508,368.56 and 230,575.51 is: 318,237.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,332.46 : 508,368.56 = 230,575.51 : x
  2. Step 2: Convert to fraction form
    368,332.46/508,368.56 = 230,575.51/x
  3. Step 3: Cross multiply
    368,332.46x = 508,368.56 × 230,575.51
  4. Step 4: Simplify right side
    368,332.46x = 117,217,339,472.55
  5. Step 5: Solve for x
    x = 117,217,339,472.55/368,332.46
  6. Step 6: Final answer
    x = 318,237.87

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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.