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Finding the Fourth Proportional to 604,990.62, 907,486.22 and 249,614.05

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Solution

The fourth proportional to 604,990.62, 907,486.22 and 249,614.05 is: 374,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,990.62 : 907,486.22 = 249,614.05 : x
  2. Step 2: Convert to fraction form
    604,990.62/907,486.22 = 249,614.05/x
  3. Step 3: Cross multiply
    604,990.62x = 907,486.22 × 249,614.05
  4. Step 4: Simplify right side
    604,990.62x = 226,521,309,445.32
  5. Step 5: Solve for x
    x = 226,521,309,445.32/604,990.62
  6. Step 6: Final answer
    x = 374,421.20

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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.