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Finding the Fourth Proportional to 605,341.60, 907,666.80 and 249,935.20

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Solution

The fourth proportional to 605,341.60, 907,666.80 and 249,935.20 is: 374,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,341.60 : 907,666.80 = 249,935.20 : x
  2. Step 2: Convert to fraction form
    605,341.60/907,666.80 = 249,935.20/x
  3. Step 3: Cross multiply
    605,341.60x = 907,666.80 × 249,935.20
  4. Step 4: Simplify right side
    605,341.60x = 226,857,883,191.36
  5. Step 5: Solve for x
    x = 226,857,883,191.36/605,341.60
  6. Step 6: Final answer
    x = 374,760.11

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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.