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Finding the Fourth Proportional to 532,354.16, 734,637.30 and 290,624.96

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Solution

The fourth proportional to 532,354.16, 734,637.30 and 290,624.96 is: 401,056.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,354.16 : 734,637.30 = 290,624.96 : x
  2. Step 2: Convert to fraction form
    532,354.16/734,637.30 = 290,624.96/x
  3. Step 3: Cross multiply
    532,354.16x = 734,637.30 × 290,624.96
  4. Step 4: Simplify right side
    532,354.16x = 213,503,935,927.01
  5. Step 5: Solve for x
    x = 213,503,935,927.01/532,354.16
  6. Step 6: Final answer
    x = 401,056.20

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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.