Home / 288,269.32-430,511.36-245,695.72

Finding the Fourth Proportional to 288,269.32, 430,511.36 and 245,695.72

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Solution

The fourth proportional to 288,269.32, 430,511.36 and 245,695.72 is: 366,930.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,269.32 : 430,511.36 = 245,695.72 : x
  2. Step 2: Convert to fraction form
    288,269.32/430,511.36 = 245,695.72/x
  3. Step 3: Cross multiply
    288,269.32x = 430,511.36 × 245,695.72
  4. Step 4: Simplify right side
    288,269.32x = 105,774,798,563.38
  5. Step 5: Solve for x
    x = 105,774,798,563.38/288,269.32
  6. Step 6: Final answer
    x = 366,930.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.