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Finding the Fourth Proportional to 495,248,816.80, 742,873,225.20 and 495,248,816.80

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Solution

The fourth proportional to 495,248,816.80, 742,873,225.20 and 495,248,816.80 is: 742,873,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,248,816.80 : 742,873,225.20 = 495,248,816.80 : x
  2. Step 2: Convert to fraction form
    495,248,816.80/742,873,225.20 = 495,248,816.80/x
  3. Step 3: Cross multiply
    495,248,816.80x = 742,873,225.20 × 495,248,816.80
  4. Step 4: Simplify right side
    495,248,816.80x = 367,907,085,812,699,968
  5. Step 5: Solve for x
    x = 367,907,085,812,699,968/495,248,816.80
  6. Step 6: Final answer
    x = 742,873,225.20

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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.