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Finding the Fourth Proportional to 292,549.88, 403,726.80 and 165,244.40

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Solution

The fourth proportional to 292,549.88, 403,726.80 and 165,244.40 is: 228,041.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,549.88 : 403,726.80 = 165,244.40 : x
  2. Step 2: Convert to fraction form
    292,549.88/403,726.80 = 165,244.40/x
  3. Step 3: Cross multiply
    292,549.88x = 403,726.80 × 165,244.40
  4. Step 4: Simplify right side
    292,549.88x = 66,713,592,829.92
  5. Step 5: Solve for x
    x = 66,713,592,829.92/292,549.88
  6. Step 6: Final answer
    x = 228,041.77

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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.