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Finding the Fourth Proportional to 497,281.60, 745,922.40 and 371,310.40

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Solution

The fourth proportional to 497,281.60, 745,922.40 and 371,310.40 is: 556,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,281.60 : 745,922.40 = 371,310.40 : x
  2. Step 2: Convert to fraction form
    497,281.60/745,922.40 = 371,310.40/x
  3. Step 3: Cross multiply
    497,281.60x = 745,922.40 × 371,310.40
  4. Step 4: Simplify right side
    497,281.60x = 276,968,744,712.96
  5. Step 5: Solve for x
    x = 276,968,744,712.96/497,281.60
  6. Step 6: Final answer
    x = 556,965.60

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Similar ratio
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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.