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Finding the Fourth Proportional to 483,065.30, 724,597.95 and 304,994.90

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Solution

The fourth proportional to 483,065.30, 724,597.95 and 304,994.90 is: 457,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,065.30 : 724,597.95 = 304,994.90 : x
  2. Step 2: Convert to fraction form
    483,065.30/724,597.95 = 304,994.90/x
  3. Step 3: Cross multiply
    483,065.30x = 724,597.95 × 304,994.90
  4. Step 4: Simplify right side
    483,065.30x = 220,998,679,300.46
  5. Step 5: Solve for x
    x = 220,998,679,300.46/483,065.30
  6. Step 6: Final answer
    x = 457,492.35

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Double scale
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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.