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Finding the Fourth Proportional to 532,370.48, 734,681.64 and 290,653.67

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Solution

The fourth proportional to 532,370.48, 734,681.64 and 290,653.67 is: 401,107.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,370.48 : 734,681.64 = 290,653.67 : x
  2. Step 2: Convert to fraction form
    532,370.48/734,681.64 = 290,653.67/x
  3. Step 3: Cross multiply
    532,370.48x = 734,681.64 × 290,653.67
  4. Step 4: Simplify right side
    532,370.48x = 213,537,913,741.69
  5. Step 5: Solve for x
    x = 213,537,913,741.69/532,370.48
  6. Step 6: Final answer
    x = 401,107.73

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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.