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Finding the Fourth Proportional to 584,708.34, 877,119.78 and 243,081.12

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Solution

The fourth proportional to 584,708.34, 877,119.78 and 243,081.12 is: 364,645.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,708.34 : 877,119.78 = 243,081.12 : x
  2. Step 2: Convert to fraction form
    584,708.34/877,119.78 = 243,081.12/x
  3. Step 3: Cross multiply
    584,708.34x = 877,119.78 × 243,081.12
  4. Step 4: Simplify right side
    584,708.34x = 213,211,258,496.55
  5. Step 5: Solve for x
    x = 213,211,258,496.55/584,708.34
  6. Step 6: Final answer
    x = 364,645.49

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Double scale
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Similar ratio
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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.