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Finding the Fourth Proportional to 319,279.01, 440,624.88 and 176,038.83

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Solution

The fourth proportional to 319,279.01, 440,624.88 and 176,038.83 is: 242,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,279.01 : 440,624.88 = 176,038.83 : x
  2. Step 2: Convert to fraction form
    319,279.01/440,624.88 = 176,038.83/x
  3. Step 3: Cross multiply
    319,279.01x = 440,624.88 × 176,038.83
  4. Step 4: Simplify right side
    319,279.01x = 77,567,088,344.09
  5. Step 5: Solve for x
    x = 77,567,088,344.09/319,279.01
  6. Step 6: Final answer
    x = 242,944.53

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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.