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Finding the Fourth Proportional to 659,646.08, 910,314.24 and 357,842.24

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Solution

The fourth proportional to 659,646.08, 910,314.24 and 357,842.24 is: 493,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,646.08 : 910,314.24 = 357,842.24 : x
  2. Step 2: Convert to fraction form
    659,646.08/910,314.24 = 357,842.24/x
  3. Step 3: Cross multiply
    659,646.08x = 910,314.24 × 357,842.24
  4. Step 4: Simplify right side
    659,646.08x = 325,748,886,745.50
  5. Step 5: Solve for x
    x = 325,748,886,745.50/659,646.08
  6. Step 6: Final answer
    x = 493,823.73

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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.