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Finding the Fourth Proportional to 567,612.77, 782,491.74 and 446,543.79

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Solution

The fourth proportional to 567,612.77, 782,491.74 and 446,543.79 is: 615,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,612.77 : 782,491.74 = 446,543.79 : x
  2. Step 2: Convert to fraction form
    567,612.77/782,491.74 = 446,543.79/x
  3. Step 3: Cross multiply
    567,612.77x = 782,491.74 × 446,543.79
  4. Step 4: Simplify right side
    567,612.77x = 349,416,825,126.22
  5. Step 5: Solve for x
    x = 349,416,825,126.22/567,612.77
  6. Step 6: Final answer
    x = 615,590.15

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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.