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Finding the Fourth Proportional to 907,062, 1,360,606.08 and 316,086

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Solution

The fourth proportional to 907,062, 1,360,606.08 and 316,086 is: 474,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,062 : 1,360,606.08 = 316,086 : x
  2. Step 2: Convert to fraction form
    907,062/1,360,606.08 = 316,086/x
  3. Step 3: Cross multiply
    907,062x = 1,360,606.08 × 316,086
  4. Step 4: Simplify right side
    907,062x = 430,068,533,402.88
  5. Step 5: Solve for x
    x = 430,068,533,402.88/907,062
  6. Step 6: Final answer
    x = 474,133.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.