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Finding the Fourth Proportional to 334,920.60, 502,380.90 and 235,193.40

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Solution

The fourth proportional to 334,920.60, 502,380.90 and 235,193.40 is: 352,790.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,920.60 : 502,380.90 = 235,193.40 : x
  2. Step 2: Convert to fraction form
    334,920.60/502,380.90 = 235,193.40/x
  3. Step 3: Cross multiply
    334,920.60x = 502,380.90 × 235,193.40
  4. Step 4: Simplify right side
    334,920.60x = 118,156,671,966.06
  5. Step 5: Solve for x
    x = 118,156,671,966.06/334,920.60
  6. Step 6: Final answer
    x = 352,790.10

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1.5x scale

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.