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Finding the Fourth Proportional to 615,750.06, 849,749.50 and 343,808.76

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Solution

The fourth proportional to 615,750.06, 849,749.50 and 343,808.76 is: 474,464.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,750.06 : 849,749.50 = 343,808.76 : x
  2. Step 2: Convert to fraction form
    615,750.06/849,749.50 = 343,808.76/x
  3. Step 3: Cross multiply
    615,750.06x = 849,749.50 × 343,808.76
  4. Step 4: Simplify right side
    615,750.06x = 292,151,321,905.62
  5. Step 5: Solve for x
    x = 292,151,321,905.62/615,750.06
  6. Step 6: Final answer
    x = 474,464.14

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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.