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Finding the Fourth Proportional to 507,653.60, 760,944.52 and 170,374.40

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Solution

The fourth proportional to 507,653.60, 760,944.52 and 170,374.40 is: 255,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,653.60 : 760,944.52 = 170,374.40 : x
  2. Step 2: Convert to fraction form
    507,653.60/760,944.52 = 170,374.40/x
  3. Step 3: Cross multiply
    507,653.60x = 760,944.52 × 170,374.40
  4. Step 4: Simplify right side
    507,653.60x = 129,645,466,028.29
  5. Step 5: Solve for x
    x = 129,645,466,028.29/507,653.60
  6. Step 6: Final answer
    x = 255,381.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.