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Finding the Fourth Proportional to 592,567.59, 817,741.62 and 320,640.09

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Solution

The fourth proportional to 592,567.59, 817,741.62 and 320,640.09 is: 442,482.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,567.59 : 817,741.62 = 320,640.09 : x
  2. Step 2: Convert to fraction form
    592,567.59/817,741.62 = 320,640.09/x
  3. Step 3: Cross multiply
    592,567.59x = 817,741.62 × 320,640.09
  4. Step 4: Simplify right side
    592,567.59x = 262,200,746,633.55
  5. Step 5: Solve for x
    x = 262,200,746,633.55/592,567.59
  6. Step 6: Final answer
    x = 442,482.43

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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.