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Finding the Fourth Proportional to 504,003.60, 754,984.80 and 313,880.40

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Solution

The fourth proportional to 504,003.60, 754,984.80 and 313,880.40 is: 470,185.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,003.60 : 754,984.80 = 313,880.40 : x
  2. Step 2: Convert to fraction form
    504,003.60/754,984.80 = 313,880.40/x
  3. Step 3: Cross multiply
    504,003.60x = 754,984.80 × 313,880.40
  4. Step 4: Simplify right side
    504,003.60x = 236,974,931,017.92
  5. Step 5: Solve for x
    x = 236,974,931,017.92/504,003.60
  6. Step 6: Final answer
    x = 470,185.00

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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.