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Finding the Fourth Proportional to 528,900.60, 793,467.54 and 173,900.28

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Solution

The fourth proportional to 528,900.60, 793,467.54 and 173,900.28 is: 260,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,900.60 : 793,467.54 = 173,900.28 : x
  2. Step 2: Convert to fraction form
    528,900.60/793,467.54 = 173,900.28/x
  3. Step 3: Cross multiply
    528,900.60x = 793,467.54 × 173,900.28
  4. Step 4: Simplify right side
    528,900.60x = 137,984,227,376.91
  5. Step 5: Solve for x
    x = 137,984,227,376.91/528,900.60
  6. Step 6: Final answer
    x = 260,888.77

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1.5x scale

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.