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Finding the Fourth Proportional to 651,618.54, 977,296.59 and 178,351.74

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Solution

The fourth proportional to 651,618.54, 977,296.59 and 178,351.74 is: 267,491.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,618.54 : 977,296.59 = 178,351.74 : x
  2. Step 2: Convert to fraction form
    651,618.54/977,296.59 = 178,351.74/x
  3. Step 3: Cross multiply
    651,618.54x = 977,296.59 × 178,351.74
  4. Step 4: Simplify right side
    651,618.54x = 174,302,547,322.57
  5. Step 5: Solve for x
    x = 174,302,547,322.57/651,618.54
  6. Step 6: Final answer
    x = 267,491.69

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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.