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Finding the Fourth Proportional to 509,045.60, 763,670.80 and 176,552.80

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Solution

The fourth proportional to 509,045.60, 763,670.80 and 176,552.80 is: 264,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,045.60 : 763,670.80 = 176,552.80 : x
  2. Step 2: Convert to fraction form
    509,045.60/763,670.80 = 176,552.80/x
  3. Step 3: Cross multiply
    509,045.60x = 763,670.80 × 176,552.80
  4. Step 4: Simplify right side
    509,045.60x = 134,828,218,018.24
  5. Step 5: Solve for x
    x = 134,828,218,018.24/509,045.60
  6. Step 6: Final answer
    x = 264,864.72

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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.