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Finding the Fourth Proportional to 453,445.05, 625,759.44 and 259,848.93

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Solution

The fourth proportional to 453,445.05, 625,759.44 and 259,848.93 is: 358,594.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,445.05 : 625,759.44 = 259,848.93 : x
  2. Step 2: Convert to fraction form
    453,445.05/625,759.44 = 259,848.93/x
  3. Step 3: Cross multiply
    453,445.05x = 625,759.44 × 259,848.93
  4. Step 4: Simplify right side
    453,445.05x = 162,602,920,921.40
  5. Step 5: Solve for x
    x = 162,602,920,921.40/453,445.05
  6. Step 6: Final answer
    x = 358,594.54

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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.