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Finding the Fourth Proportional to 607,152.96, 910,648.80 and 180,681.12

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Solution

The fourth proportional to 607,152.96, 910,648.80 and 180,681.12 is: 270,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,152.96 : 910,648.80 = 180,681.12 : x
  2. Step 2: Convert to fraction form
    607,152.96/910,648.80 = 180,681.12/x
  3. Step 3: Cross multiply
    607,152.96x = 910,648.80 × 180,681.12
  4. Step 4: Simplify right side
    607,152.96x = 164,537,045,110.66
  5. Step 5: Solve for x
    x = 164,537,045,110.66/607,152.96
  6. Step 6: Final answer
    x = 270,997.68

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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.