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Finding the Fourth Proportional to 553,661,248.40, 830,673,725.40 and 226,412,004.08

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Solution

The fourth proportional to 553,661,248.40, 830,673,725.40 and 226,412,004.08 is: 339,692,372.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,661,248.40 : 830,673,725.40 = 226,412,004.08 : x
  2. Step 2: Convert to fraction form
    553,661,248.40/830,673,725.40 = 226,412,004.08/x
  3. Step 3: Cross multiply
    553,661,248.40x = 830,673,725.40 × 226,412,004.08
  4. Step 4: Simplify right side
    553,661,248.40x = 188,074,502,900,260,224
  5. Step 5: Solve for x
    x = 188,074,502,900,260,224/553,661,248.40
  6. Step 6: Final answer
    x = 339,692,372.26

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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.