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Finding the Fourth Proportional to 572,833.40, 858,666.90 and 336,054.20

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Solution

The fourth proportional to 572,833.40, 858,666.90 and 336,054.20 is: 503,739.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,833.40 : 858,666.90 = 336,054.20 : x
  2. Step 2: Convert to fraction form
    572,833.40/858,666.90 = 336,054.20/x
  3. Step 3: Cross multiply
    572,833.40x = 858,666.90 × 336,054.20
  4. Step 4: Simplify right side
    572,833.40x = 288,558,618,145.98
  5. Step 5: Solve for x
    x = 288,558,618,145.98/572,833.40
  6. Step 6: Final answer
    x = 503,739.16

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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.