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Finding the Fourth Proportional to 562,059.54, 775,595.07 and 317,030.76

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Solution

The fourth proportional to 562,059.54, 775,595.07 and 317,030.76 is: 437,475.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,059.54 : 775,595.07 = 317,030.76 : x
  2. Step 2: Convert to fraction form
    562,059.54/775,595.07 = 317,030.76/x
  3. Step 3: Cross multiply
    562,059.54x = 775,595.07 × 317,030.76
  4. Step 4: Simplify right side
    562,059.54x = 245,887,494,494.35
  5. Step 5: Solve for x
    x = 245,887,494,494.35/562,059.54
  6. Step 6: Final answer
    x = 437,475.88

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.