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Finding the Fourth Proportional to 415,703.34, 573,675.88 and 252,312.57

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Solution

The fourth proportional to 415,703.34, 573,675.88 and 252,312.57 is: 348,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,703.34 : 573,675.88 = 252,312.57 : x
  2. Step 2: Convert to fraction form
    415,703.34/573,675.88 = 252,312.57/x
  3. Step 3: Cross multiply
    415,703.34x = 573,675.88 × 252,312.57
  4. Step 4: Simplify right side
    415,703.34x = 144,745,634,999.03
  5. Step 5: Solve for x
    x = 144,745,634,999.03/415,703.34
  6. Step 6: Final answer
    x = 348,194.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.