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Finding the Fourth Proportional to 496,002.40, 744,003.60 and 346,703.20

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Solution

The fourth proportional to 496,002.40, 744,003.60 and 346,703.20 is: 520,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,002.40 : 744,003.60 = 346,703.20 : x
  2. Step 2: Convert to fraction form
    496,002.40/744,003.60 = 346,703.20/x
  3. Step 3: Cross multiply
    496,002.40x = 744,003.60 × 346,703.20
  4. Step 4: Simplify right side
    496,002.40x = 257,948,428,931.52
  5. Step 5: Solve for x
    x = 257,948,428,931.52/496,002.40
  6. Step 6: Final answer
    x = 520,054.80

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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.