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Finding the Fourth Proportional to 468,641.88, 646,726.14 and 253,782.18

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Solution

The fourth proportional to 468,641.88, 646,726.14 and 253,782.18 is: 350,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,641.88 : 646,726.14 = 253,782.18 : x
  2. Step 2: Convert to fraction form
    468,641.88/646,726.14 = 253,782.18/x
  3. Step 3: Cross multiply
    468,641.88x = 646,726.14 × 253,782.18
  4. Step 4: Simplify right side
    468,641.88x = 164,127,569,672.19
  5. Step 5: Solve for x
    x = 164,127,569,672.19/468,641.88
  6. Step 6: Final answer
    x = 350,219.60

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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.