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Finding the Fourth Proportional to 346,090.40, 518,746.80 and 177,545.60

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Solution

The fourth proportional to 346,090.40, 518,746.80 and 177,545.60 is: 266,118.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,090.40 : 518,746.80 = 177,545.60 : x
  2. Step 2: Convert to fraction form
    346,090.40/518,746.80 = 177,545.60/x
  3. Step 3: Cross multiply
    346,090.40x = 518,746.80 × 177,545.60
  4. Step 4: Simplify right side
    346,090.40x = 92,101,211,854.08
  5. Step 5: Solve for x
    x = 92,101,211,854.08/346,090.40
  6. Step 6: Final answer
    x = 266,118.94

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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.