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Finding the Fourth Proportional to 705,660.03, 973,740.59 and 399,675.35

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Solution

The fourth proportional to 705,660.03, 973,740.59 and 399,675.35 is: 551,512.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,660.03 : 973,740.59 = 399,675.35 : x
  2. Step 2: Convert to fraction form
    705,660.03/973,740.59 = 399,675.35/x
  3. Step 3: Cross multiply
    705,660.03x = 973,740.59 × 399,675.35
  4. Step 4: Simplify right side
    705,660.03x = 389,180,104,250.38
  5. Step 5: Solve for x
    x = 389,180,104,250.38/705,660.03
  6. Step 6: Final answer
    x = 551,512.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.