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Finding the Fourth Proportional to 470,602.16, 706,013.96 and 155,059.06

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Solution

The fourth proportional to 470,602.16, 706,013.96 and 155,059.06 is: 232,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,602.16 : 706,013.96 = 155,059.06 : x
  2. Step 2: Convert to fraction form
    470,602.16/706,013.96 = 155,059.06/x
  3. Step 3: Cross multiply
    470,602.16x = 706,013.96 × 155,059.06
  4. Step 4: Simplify right side
    470,602.16x = 109,473,860,984.48
  5. Step 5: Solve for x
    x = 109,473,860,984.48/470,602.16
  6. Step 6: Final answer
    x = 232,625.07

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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.