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Finding the Fourth Proportional to 584,613.56, 806,769.15 and 316,341.56

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Solution

The fourth proportional to 584,613.56, 806,769.15 and 316,341.56 is: 436,552.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,613.56 : 806,769.15 = 316,341.56 : x
  2. Step 2: Convert to fraction form
    584,613.56/806,769.15 = 316,341.56/x
  3. Step 3: Cross multiply
    584,613.56x = 806,769.15 × 316,341.56
  4. Step 4: Simplify right side
    584,613.56x = 255,214,612,301.52
  5. Step 5: Solve for x
    x = 255,214,612,301.52/584,613.56
  6. Step 6: Final answer
    x = 436,552.67

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Double scale
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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.