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Finding the Fourth Proportional to 539,861.06, 745,008.33 and 301,397.06

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Solution

The fourth proportional to 539,861.06, 745,008.33 and 301,397.06 is: 415,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,861.06 : 745,008.33 = 301,397.06 : x
  2. Step 2: Convert to fraction form
    539,861.06/745,008.33 = 301,397.06/x
  3. Step 3: Cross multiply
    539,861.06x = 745,008.33 × 301,397.06
  4. Step 4: Simplify right side
    539,861.06x = 224,543,320,337.51
  5. Step 5: Solve for x
    x = 224,543,320,337.51/539,861.06
  6. Step 6: Final answer
    x = 415,927.98

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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.