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Finding the Fourth Proportional to 854,894.76, 1,280,656.80 and 695,151

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Solution

The fourth proportional to 854,894.76, 1,280,656.80 and 695,151 is: 1,041,356.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,894.76 : 1,280,656.80 = 695,151 : x
  2. Step 2: Convert to fraction form
    854,894.76/1,280,656.80 = 695,151/x
  3. Step 3: Cross multiply
    854,894.76x = 1,280,656.80 × 695,151
  4. Step 4: Simplify right side
    854,894.76x = 890,249,855,176.80
  5. Step 5: Solve for x
    x = 890,249,855,176.80/854,894.76
  6. Step 6: Final answer
    x = 1,041,356.08

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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.