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Finding the Fourth Proportional to 453,477.06, 625,771.05 and 249,520.50

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Solution

The fourth proportional to 453,477.06, 625,771.05 and 249,520.50 is: 344,323.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,477.06 : 625,771.05 = 249,520.50 : x
  2. Step 2: Convert to fraction form
    453,477.06/625,771.05 = 249,520.50/x
  3. Step 3: Cross multiply
    453,477.06x = 625,771.05 × 249,520.50
  4. Step 4: Simplify right side
    453,477.06x = 156,142,705,281.53
  5. Step 5: Solve for x
    x = 156,142,705,281.53/453,477.06
  6. Step 6: Final answer
    x = 344,323.27

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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.