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Finding the Fourth Proportional to 313,892.79, 433,152.64 and 176,064.13

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Solution

The fourth proportional to 313,892.79, 433,152.64 and 176,064.13 is: 242,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,892.79 : 433,152.64 = 176,064.13 : x
  2. Step 2: Convert to fraction form
    313,892.79/433,152.64 = 176,064.13/x
  3. Step 3: Cross multiply
    313,892.79x = 433,152.64 × 176,064.13
  4. Step 4: Simplify right side
    313,892.79x = 76,262,642,985.14
  5. Step 5: Solve for x
    x = 76,262,642,985.14/313,892.79
  6. Step 6: Final answer
    x = 242,957.61

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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.