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Finding the Fourth Proportional to 316,503.72, 474,602.49 and 116,918.10

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Solution

The fourth proportional to 316,503.72, 474,602.49 and 116,918.10 is: 175,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,503.72 : 474,602.49 = 116,918.10 : x
  2. Step 2: Convert to fraction form
    316,503.72/474,602.49 = 116,918.10/x
  3. Step 3: Cross multiply
    316,503.72x = 474,602.49 × 116,918.10
  4. Step 4: Simplify right side
    316,503.72x = 55,489,621,386.07
  5. Step 5: Solve for x
    x = 55,489,621,386.07/316,503.72
  6. Step 6: Final answer
    x = 175,320.60

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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.