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Finding the Fourth Proportional to 532,608.04, 734,995.08 and 290,890.72

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Solution

The fourth proportional to 532,608.04, 734,995.08 and 290,890.72 is: 401,427.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,608.04 : 734,995.08 = 290,890.72 : x
  2. Step 2: Convert to fraction form
    532,608.04/734,995.08 = 290,890.72/x
  3. Step 3: Cross multiply
    532,608.04x = 734,995.08 × 290,890.72
  4. Step 4: Simplify right side
    532,608.04x = 213,803,248,017.66
  5. Step 5: Solve for x
    x = 213,803,248,017.66/532,608.04
  6. Step 6: Final answer
    x = 401,427.00

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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.