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Finding the Fourth Proportional to 436,910.14, 654,315.45 and 249,353.02

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Solution

The fourth proportional to 436,910.14, 654,315.45 and 249,353.02 is: 373,430.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,910.14 : 654,315.45 = 249,353.02 : x
  2. Step 2: Convert to fraction form
    436,910.14/654,315.45 = 249,353.02/x
  3. Step 3: Cross multiply
    436,910.14x = 654,315.45 × 249,353.02
  4. Step 4: Simplify right side
    436,910.14x = 163,155,533,490.16
  5. Step 5: Solve for x
    x = 163,155,533,490.16/436,910.14
  6. Step 6: Final answer
    x = 373,430.41

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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.