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Finding the Fourth Proportional to 706,467.04, 974,894.81 and 400,564.06

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Solution

The fourth proportional to 706,467.04, 974,894.81 and 400,564.06 is: 552,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,467.04 : 974,894.81 = 400,564.06 : x
  2. Step 2: Convert to fraction form
    706,467.04/974,894.81 = 400,564.06/x
  3. Step 3: Cross multiply
    706,467.04x = 974,894.81 × 400,564.06
  4. Step 4: Simplify right side
    706,467.04x = 390,507,818,726.47
  5. Step 5: Solve for x
    x = 390,507,818,726.47/706,467.04
  6. Step 6: Final answer
    x = 552,761.56

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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.