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Finding the Fourth Proportional to 463,678,889.90, 695,518,334.85 and 348,037,328.30

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Solution

The fourth proportional to 463,678,889.90, 695,518,334.85 and 348,037,328.30 is: 522,055,992.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,678,889.90 : 695,518,334.85 = 348,037,328.30 : x
  2. Step 2: Convert to fraction form
    463,678,889.90/695,518,334.85 = 348,037,328.30/x
  3. Step 3: Cross multiply
    463,678,889.90x = 695,518,334.85 × 348,037,328.30
  4. Step 4: Simplify right side
    463,678,889.90x = 242,066,343,044,858,784
  5. Step 5: Solve for x
    x = 242,066,343,044,858,784/463,678,889.90
  6. Step 6: Final answer
    x = 522,055,992.45

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Similar ratio
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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.