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Finding the Fourth Proportional to 434,672.90, 652,009.35 and 292,955.30

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Solution

The fourth proportional to 434,672.90, 652,009.35 and 292,955.30 is: 439,432.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,672.90 : 652,009.35 = 292,955.30 : x
  2. Step 2: Convert to fraction form
    434,672.90/652,009.35 = 292,955.30/x
  3. Step 3: Cross multiply
    434,672.90x = 652,009.35 × 292,955.30
  4. Step 4: Simplify right side
    434,672.90x = 191,009,594,732.06
  5. Step 5: Solve for x
    x = 191,009,594,732.06/434,672.90
  6. Step 6: Final answer
    x = 439,432.95

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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.