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Finding the Fourth Proportional to 528,417.56, 792,459.84 and 173,348.84

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Solution

The fourth proportional to 528,417.56, 792,459.84 and 173,348.84 is: 259,968.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,417.56 : 792,459.84 = 173,348.84 : x
  2. Step 2: Convert to fraction form
    528,417.56/792,459.84 = 173,348.84/x
  3. Step 3: Cross multiply
    528,417.56x = 792,459.84 × 173,348.84
  4. Step 4: Simplify right side
    528,417.56x = 137,371,996,641.79
  5. Step 5: Solve for x
    x = 137,371,996,641.79/528,417.56
  6. Step 6: Final answer
    x = 259,968.64

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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.