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Finding the Fourth Proportional to 336,000.80, 503,482.80 and 291,418.40

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Solution

The fourth proportional to 336,000.80, 503,482.80 and 291,418.40 is: 436,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,000.80 : 503,482.80 = 291,418.40 : x
  2. Step 2: Convert to fraction form
    336,000.80/503,482.80 = 291,418.40/x
  3. Step 3: Cross multiply
    336,000.80x = 503,482.80 × 291,418.40
  4. Step 4: Simplify right side
    336,000.80x = 146,724,152,003.52
  5. Step 5: Solve for x
    x = 146,724,152,003.52/336,000.80
  6. Step 6: Final answer
    x = 436,677.98

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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.