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Finding the Fourth Proportional to 528,597.71, 729,464.55 and 299,150.83

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Solution

The fourth proportional to 528,597.71, 729,464.55 and 299,150.83 is: 412,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,597.71 : 729,464.55 = 299,150.83 : x
  2. Step 2: Convert to fraction form
    528,597.71/729,464.55 = 299,150.83/x
  3. Step 3: Cross multiply
    528,597.71x = 729,464.55 × 299,150.83
  4. Step 4: Simplify right side
    528,597.71x = 218,219,923,764.42
  5. Step 5: Solve for x
    x = 218,219,923,764.42/528,597.71
  6. Step 6: Final answer
    x = 412,827.98

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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.