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Finding the Fourth Proportional to 528,726.69, 730,022.22 and 325,050.98

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Solution

The fourth proportional to 528,726.69, 730,022.22 and 325,050.98 is: 448,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,726.69 : 730,022.22 = 325,050.98 : x
  2. Step 2: Convert to fraction form
    528,726.69/730,022.22 = 325,050.98/x
  3. Step 3: Cross multiply
    528,726.69x = 730,022.22 × 325,050.98
  4. Step 4: Simplify right side
    528,726.69x = 237,294,434,382.66
  5. Step 5: Solve for x
    x = 237,294,434,382.66/528,726.69
  6. Step 6: Final answer
    x = 448,803.59

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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.