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Finding the Fourth Proportional to 648,521.56, 974,258.57 and 469,160.22

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Solution

The fourth proportional to 648,521.56, 974,258.57 and 469,160.22 is: 704,808.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,521.56 : 974,258.57 = 469,160.22 : x
  2. Step 2: Convert to fraction form
    648,521.56/974,258.57 = 469,160.22/x
  3. Step 3: Cross multiply
    648,521.56x = 974,258.57 × 469,160.22
  4. Step 4: Simplify right side
    648,521.56x = 457,083,365,038.09
  5. Step 5: Solve for x
    x = 457,083,365,038.09/648,521.56
  6. Step 6: Final answer
    x = 704,808.28

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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.