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Finding the Fourth Proportional to 528,908.30, 793,281.45 and 173,923.10

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Solution

The fourth proportional to 528,908.30, 793,281.45 and 173,923.10 is: 260,858.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,908.30 : 793,281.45 = 173,923.10 : x
  2. Step 2: Convert to fraction form
    528,908.30/793,281.45 = 173,923.10/x
  3. Step 3: Cross multiply
    528,908.30x = 793,281.45 × 173,923.10
  4. Step 4: Simplify right side
    528,908.30x = 137,969,968,956.50
  5. Step 5: Solve for x
    x = 137,969,968,956.50/528,908.30
  6. Step 6: Final answer
    x = 260,858.01

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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.