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Finding the Fourth Proportional to 453,944.68, 626,419.66 and 260,342.40

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Solution

The fourth proportional to 453,944.68, 626,419.66 and 260,342.40 is: 359,258.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,944.68 : 626,419.66 = 260,342.40 : x
  2. Step 2: Convert to fraction form
    453,944.68/626,419.66 = 260,342.40/x
  3. Step 3: Cross multiply
    453,944.68x = 626,419.66 × 260,342.40
  4. Step 4: Simplify right side
    453,944.68x = 163,083,597,691.58
  5. Step 5: Solve for x
    x = 163,083,597,691.58/453,944.68
  6. Step 6: Final answer
    x = 359,258.75

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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.