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Finding the Fourth Proportional to 515,541.60, 773,506.80 and 249,537.60

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Solution

The fourth proportional to 515,541.60, 773,506.80 and 249,537.60 is: 374,400.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,541.60 : 773,506.80 = 249,537.60 : x
  2. Step 2: Convert to fraction form
    515,541.60/773,506.80 = 249,537.60/x
  3. Step 3: Cross multiply
    515,541.60x = 773,506.80 × 249,537.60
  4. Step 4: Simplify right side
    515,541.60x = 193,019,030,455.68
  5. Step 5: Solve for x
    x = 193,019,030,455.68/515,541.60
  6. Step 6: Final answer
    x = 374,400.50

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1.5x scale

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.