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Finding the Fourth Proportional to 586,295.22, 878,845.37 and 249,120.88

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Solution

The fourth proportional to 586,295.22, 878,845.37 and 249,120.88 is: 373,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,295.22 : 878,845.37 = 249,120.88 : x
  2. Step 2: Convert to fraction form
    586,295.22/878,845.37 = 249,120.88/x
  3. Step 3: Cross multiply
    586,295.22x = 878,845.37 × 249,120.88
  4. Step 4: Simplify right side
    586,295.22x = 218,938,728,515.61
  5. Step 5: Solve for x
    x = 218,938,728,515.61/586,295.22
  6. Step 6: Final answer
    x = 373,427.45

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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.