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Finding the Fourth Proportional to 612,272.04, 918,641.52 and 552,902.28

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Solution

The fourth proportional to 612,272.04, 918,641.52 and 552,902.28 is: 829,564.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,272.04 : 918,641.52 = 552,902.28 : x
  2. Step 2: Convert to fraction form
    612,272.04/918,641.52 = 552,902.28/x
  3. Step 3: Cross multiply
    612,272.04x = 918,641.52 × 552,902.28
  4. Step 4: Simplify right side
    612,272.04x = 507,918,990,910.67
  5. Step 5: Solve for x
    x = 507,918,990,910.67/612,272.04
  6. Step 6: Final answer
    x = 829,564.24

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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.