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Finding the Fourth Proportional to 706,153.40, 1,059,230.10 and 654,313.40

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Solution

The fourth proportional to 706,153.40, 1,059,230.10 and 654,313.40 is: 981,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,153.40 : 1,059,230.10 = 654,313.40 : x
  2. Step 2: Convert to fraction form
    706,153.40/1,059,230.10 = 654,313.40/x
  3. Step 3: Cross multiply
    706,153.40x = 1,059,230.10 × 654,313.40
  4. Step 4: Simplify right side
    706,153.40x = 693,068,448,113.34
  5. Step 5: Solve for x
    x = 693,068,448,113.34/706,153.40
  6. Step 6: Final answer
    x = 981,470.10

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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.