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Finding the Fourth Proportional to 450,785.76, 622,126.08 and 249,581.76

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Solution

The fourth proportional to 450,785.76, 622,126.08 and 249,581.76 is: 344,445.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,785.76 : 622,126.08 = 249,581.76 : x
  2. Step 2: Convert to fraction form
    450,785.76/622,126.08 = 249,581.76/x
  3. Step 3: Cross multiply
    450,785.76x = 622,126.08 × 249,581.76
  4. Step 4: Simplify right side
    450,785.76x = 155,271,321,988.30
  5. Step 5: Solve for x
    x = 155,271,321,988.30/450,785.76
  6. Step 6: Final answer
    x = 344,445.93

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1.5x scale

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.