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Finding the Fourth Proportional to 602,179,992.80, 903,279,892.80 and 165,477,946.40

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Solution

The fourth proportional to 602,179,992.80, 903,279,892.80 and 165,477,946.40 is: 248,219,641.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,179,992.80 : 903,279,892.80 = 165,477,946.40 : x
  2. Step 2: Convert to fraction form
    602,179,992.80/903,279,892.80 = 165,477,946.40/x
  3. Step 3: Cross multiply
    602,179,992.80x = 903,279,892.80 × 165,477,946.40
  4. Step 4: Simplify right side
    602,179,992.80x = 149,472,901,684,956,128
  5. Step 5: Solve for x
    x = 149,472,901,684,956,128/602,179,992.80
  6. Step 6: Final answer
    x = 248,219,641.09

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1.5x scale

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.