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Finding the Fourth Proportional to 430,334.64, 593,820.20 and 249,010.40

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Solution

The fourth proportional to 430,334.64, 593,820.20 and 249,010.40 is: 343,610.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,334.64 : 593,820.20 = 249,010.40 : x
  2. Step 2: Convert to fraction form
    430,334.64/593,820.20 = 249,010.40/x
  3. Step 3: Cross multiply
    430,334.64x = 593,820.20 × 249,010.40
  4. Step 4: Simplify right side
    430,334.64x = 147,867,405,530.08
  5. Step 5: Solve for x
    x = 147,867,405,530.08/430,334.64
  6. Step 6: Final answer
    x = 343,610.28

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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.