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Finding the Fourth Proportional to 528,954.96, 793,482.12 and 173,969.76

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Solution

The fourth proportional to 528,954.96, 793,482.12 and 173,969.76 is: 260,970.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,954.96 : 793,482.12 = 173,969.76 : x
  2. Step 2: Convert to fraction form
    528,954.96/793,482.12 = 173,969.76/x
  3. Step 3: Cross multiply
    528,954.96x = 793,482.12 × 173,969.76
  4. Step 4: Simplify right side
    528,954.96x = 138,041,893,980.69
  5. Step 5: Solve for x
    x = 138,041,893,980.69/528,954.96
  6. Step 6: Final answer
    x = 260,970.98

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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.