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Finding the Fourth Proportional to 528,853.51, 793,378.68 and 173,881.54

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Solution

The fourth proportional to 528,853.51, 793,378.68 and 173,881.54 is: 260,854.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,853.51 : 793,378.68 = 173,881.54 : x
  2. Step 2: Convert to fraction form
    528,853.51/793,378.68 = 173,881.54/x
  3. Step 3: Cross multiply
    528,853.51x = 793,378.68 × 173,881.54
  4. Step 4: Simplify right side
    528,853.51x = 137,953,906,681.57
  5. Step 5: Solve for x
    x = 137,953,906,681.57/528,853.51
  6. Step 6: Final answer
    x = 260,854.67

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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.