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Finding the Fourth Proportional to 604,408,374.40, 906,985,809.60 and 240,864,822.40

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Solution

The fourth proportional to 604,408,374.40, 906,985,809.60 and 240,864,822.40 is: 361,445,977.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,408,374.40 : 906,985,809.60 = 240,864,822.40 : x
  2. Step 2: Convert to fraction form
    604,408,374.40/906,985,809.60 = 240,864,822.40/x
  3. Step 3: Cross multiply
    604,408,374.40x = 906,985,809.60 × 240,864,822.40
  4. Step 4: Simplify right side
    604,408,374.40x = 218,460,975,948,624,224
  5. Step 5: Solve for x
    x = 218,460,975,948,624,224/604,408,374.40
  6. Step 6: Final answer
    x = 361,445,977.92

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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.