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Finding the Fourth Proportional to 453,529.76, 625,661.66 and 292,436.55

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Solution

The fourth proportional to 453,529.76, 625,661.66 and 292,436.55 is: 403,427.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,529.76 : 625,661.66 = 292,436.55 : x
  2. Step 2: Convert to fraction form
    453,529.76/625,661.66 = 292,436.55/x
  3. Step 3: Cross multiply
    453,529.76x = 625,661.66 × 292,436.55
  4. Step 4: Simplify right side
    453,529.76x = 182,966,335,855.49
  5. Step 5: Solve for x
    x = 182,966,335,855.49/453,529.76
  6. Step 6: Final answer
    x = 403,427.41

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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.