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Finding the Fourth Proportional to 532,406.04, 734,699.34 and 290,698.80

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Solution

The fourth proportional to 532,406.04, 734,699.34 and 290,698.80 is: 401,152.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,406.04 : 734,699.34 = 290,698.80 : x
  2. Step 2: Convert to fraction form
    532,406.04/734,699.34 = 290,698.80/x
  3. Step 3: Cross multiply
    532,406.04x = 734,699.34 × 290,698.80
  4. Step 4: Simplify right side
    532,406.04x = 213,576,216,498.79
  5. Step 5: Solve for x
    x = 213,576,216,498.79/532,406.04
  6. Step 6: Final answer
    x = 401,152.88

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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.