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Finding the Fourth Proportional to 565,117.44, 780,066.68 and 374,192.32

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Solution

The fourth proportional to 565,117.44, 780,066.68 and 374,192.32 is: 516,520.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,117.44 : 780,066.68 = 374,192.32 : x
  2. Step 2: Convert to fraction form
    565,117.44/780,066.68 = 374,192.32/x
  3. Step 3: Cross multiply
    565,117.44x = 780,066.68 × 374,192.32
  4. Step 4: Simplify right side
    565,117.44x = 291,894,960,743.90
  5. Step 5: Solve for x
    x = 291,894,960,743.90/565,117.44
  6. Step 6: Final answer
    x = 516,520.89

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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.