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Finding the Fourth Proportional to 605,301.90, 907,624.80 and 249,914.40

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Solution

The fourth proportional to 605,301.90, 907,624.80 and 249,914.40 is: 374,736.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,301.90 : 907,624.80 = 249,914.40 : x
  2. Step 2: Convert to fraction form
    605,301.90/907,624.80 = 249,914.40/x
  3. Step 3: Cross multiply
    605,301.90x = 907,624.80 × 249,914.40
  4. Step 4: Simplify right side
    605,301.90x = 226,828,507,317.12
  5. Step 5: Solve for x
    x = 226,828,507,317.12/605,301.90
  6. Step 6: Final answer
    x = 374,736.16

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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.