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Finding the Fourth Proportional to 651,875.19, 977,813.57 and 178,564.63

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Solution

The fourth proportional to 651,875.19, 977,813.57 and 178,564.63 is: 267,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,875.19 : 977,813.57 = 178,564.63 : x
  2. Step 2: Convert to fraction form
    651,875.19/977,813.57 = 178,564.63/x
  3. Step 3: Cross multiply
    651,875.19x = 977,813.57 × 178,564.63
  4. Step 4: Simplify right side
    651,875.19x = 174,602,917,443.21
  5. Step 5: Solve for x
    x = 174,602,917,443.21/651,875.19
  6. Step 6: Final answer
    x = 267,847.16

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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.