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Finding the Fourth Proportional to 446,339.26, 615,946.28 and 242,388.76

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Solution

The fourth proportional to 446,339.26, 615,946.28 and 242,388.76 is: 334,495.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,339.26 : 615,946.28 = 242,388.76 : x
  2. Step 2: Convert to fraction form
    446,339.26/615,946.28 = 242,388.76/x
  3. Step 3: Cross multiply
    446,339.26x = 615,946.28 × 242,388.76
  4. Step 4: Simplify right side
    446,339.26x = 149,298,455,035.81
  5. Step 5: Solve for x
    x = 149,298,455,035.81/446,339.26
  6. Step 6: Final answer
    x = 334,495.46

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Double scale
Find fourth proportional to 446,340.26, 615,947.66 and 242,389.76
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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.