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Finding the Fourth Proportional to 462,339.67, 637,848.52 and 290,157.16

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Solution

The fourth proportional to 462,339.67, 637,848.52 and 290,157.16 is: 400,303.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,339.67 : 637,848.52 = 290,157.16 : x
  2. Step 2: Convert to fraction form
    462,339.67/637,848.52 = 290,157.16/x
  3. Step 3: Cross multiply
    462,339.67x = 637,848.52 × 290,157.16
  4. Step 4: Simplify right side
    462,339.67x = 185,076,315,073.40
  5. Step 5: Solve for x
    x = 185,076,315,073.40/462,339.67
  6. Step 6: Final answer
    x = 400,303.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.