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Finding the Fourth Proportional to 604,994.80, 907,492.20 and 510,516.40

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Solution

The fourth proportional to 604,994.80, 907,492.20 and 510,516.40 is: 765,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,994.80 : 907,492.20 = 510,516.40 : x
  2. Step 2: Convert to fraction form
    604,994.80/907,492.20 = 510,516.40/x
  3. Step 3: Cross multiply
    604,994.80x = 907,492.20 × 510,516.40
  4. Step 4: Simplify right side
    604,994.80x = 463,289,650,972.08
  5. Step 5: Solve for x
    x = 463,289,650,972.08/604,994.80
  6. Step 6: Final answer
    x = 765,774.60

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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.