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Finding the Fourth Proportional to 651,073.20, 976,901.40 and 295,904.40

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Solution

The fourth proportional to 651,073.20, 976,901.40 and 295,904.40 is: 443,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,073.20 : 976,901.40 = 295,904.40 : x
  2. Step 2: Convert to fraction form
    651,073.20/976,901.40 = 295,904.40/x
  3. Step 3: Cross multiply
    651,073.20x = 976,901.40 × 295,904.40
  4. Step 4: Simplify right side
    651,073.20x = 289,069,422,626.16
  5. Step 5: Solve for x
    x = 289,069,422,626.16/651,073.20
  6. Step 6: Final answer
    x = 443,989.13

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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.