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Finding the Fourth Proportional to 557,588.81, 836,803.85 and 258,279.39

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Solution

The fourth proportional to 557,588.81, 836,803.85 and 258,279.39 is: 387,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,588.81 : 836,803.85 = 258,279.39 : x
  2. Step 2: Convert to fraction form
    557,588.81/836,803.85 = 258,279.39/x
  3. Step 3: Cross multiply
    557,588.81x = 836,803.85 × 258,279.39
  4. Step 4: Simplify right side
    557,588.81x = 216,129,186,636.26
  5. Step 5: Solve for x
    x = 216,129,186,636.26/557,588.81
  6. Step 6: Final answer
    x = 387,613.92

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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.