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Finding the Fourth Proportional to 430,237.71, 593,813.43 and 249,008.31

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Solution

The fourth proportional to 430,237.71, 593,813.43 and 249,008.31 is: 343,680.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,237.71 : 593,813.43 = 249,008.31 : x
  2. Step 2: Convert to fraction form
    430,237.71/593,813.43 = 249,008.31/x
  3. Step 3: Cross multiply
    430,237.71x = 593,813.43 × 249,008.31
  4. Step 4: Simplify right side
    430,237.71x = 147,864,478,659.60
  5. Step 5: Solve for x
    x = 147,864,478,659.60/430,237.71
  6. Step 6: Final answer
    x = 343,680.89

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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.