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Finding the Fourth Proportional to 700,635.88, 963,306.29 and 623,409.40

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Solution

The fourth proportional to 700,635.88, 963,306.29 and 623,409.40 is: 857,127.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,635.88 : 963,306.29 = 623,409.40 : x
  2. Step 2: Convert to fraction form
    700,635.88/963,306.29 = 623,409.40/x
  3. Step 3: Cross multiply
    700,635.88x = 963,306.29 × 623,409.40
  4. Step 4: Simplify right side
    700,635.88x = 600,534,196,265.13
  5. Step 5: Solve for x
    x = 600,534,196,265.13/700,635.88
  6. Step 6: Final answer
    x = 857,127.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.