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Finding the Fourth Proportional to 904,305.60, 1,354,125.60 and 717,681.60

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Solution

The fourth proportional to 904,305.60, 1,354,125.60 and 717,681.60 is: 1,074,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,305.60 : 1,354,125.60 = 717,681.60 : x
  2. Step 2: Convert to fraction form
    904,305.60/1,354,125.60 = 717,681.60/x
  3. Step 3: Cross multiply
    904,305.60x = 1,354,125.60 × 717,681.60
  4. Step 4: Simplify right side
    904,305.60x = 971,831,027,208.96
  5. Step 5: Solve for x
    x = 971,831,027,208.96/904,305.60
  6. Step 6: Final answer
    x = 1,074,671.03

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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.