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Finding the Fourth Proportional to 611,897.46, 917,707.59 and 232,683

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Solution

The fourth proportional to 611,897.46, 917,707.59 and 232,683 is: 348,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,897.46 : 917,707.59 = 232,683 : x
  2. Step 2: Convert to fraction form
    611,897.46/917,707.59 = 232,683/x
  3. Step 3: Cross multiply
    611,897.46x = 917,707.59 × 232,683
  4. Step 4: Simplify right side
    611,897.46x = 213,534,955,163.97
  5. Step 5: Solve for x
    x = 213,534,955,163.97/611,897.46
  6. Step 6: Final answer
    x = 348,971.80

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1.5x scale

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.