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Finding the Fourth Proportional to 460,427.93, 635,365.72 and 253,689.40

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Solution

The fourth proportional to 460,427.93, 635,365.72 and 253,689.40 is: 350,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,427.93 : 635,365.72 = 253,689.40 : x
  2. Step 2: Convert to fraction form
    460,427.93/635,365.72 = 253,689.40/x
  3. Step 3: Cross multiply
    460,427.93x = 635,365.72 × 253,689.40
  4. Step 4: Simplify right side
    460,427.93x = 161,185,549,398.69
  5. Step 5: Solve for x
    x = 161,185,549,398.69/460,427.93
  6. Step 6: Final answer
    x = 350,077.70

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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.