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Finding the Fourth Proportional to 453,157.84, 625,363.50 and 249,231.16

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Solution

The fourth proportional to 453,157.84, 625,363.50 and 249,231.16 is: 343,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,157.84 : 625,363.50 = 249,231.16 : x
  2. Step 2: Convert to fraction form
    453,157.84/625,363.50 = 249,231.16/x
  3. Step 3: Cross multiply
    453,157.84x = 625,363.50 × 249,231.16
  4. Step 4: Simplify right side
    453,157.84x = 155,860,070,526.66
  5. Step 5: Solve for x
    x = 155,860,070,526.66/453,157.84
  6. Step 6: Final answer
    x = 343,942.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.