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Finding the Fourth Proportional to 430,333.64, 593,818.82 and 249,009.40

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Solution

The fourth proportional to 430,333.64, 593,818.82 and 249,009.40 is: 343,608.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,333.64 : 593,818.82 = 249,009.40 : x
  2. Step 2: Convert to fraction form
    430,333.64/593,818.82 = 249,009.40/x
  3. Step 3: Cross multiply
    430,333.64x = 593,818.82 × 249,009.40
  4. Step 4: Simplify right side
    430,333.64x = 147,866,468,076.91
  5. Step 5: Solve for x
    x = 147,866,468,076.91/430,333.64
  6. Step 6: Final answer
    x = 343,608.90

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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.