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Finding the Fourth Proportional to 705,503.04, 973,220.96 and 446,923.76

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Solution

The fourth proportional to 705,503.04, 973,220.96 and 446,923.76 is: 616,518.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,503.04 : 973,220.96 = 446,923.76 : x
  2. Step 2: Convert to fraction form
    705,503.04/973,220.96 = 446,923.76/x
  3. Step 3: Cross multiply
    705,503.04x = 973,220.96 × 446,923.76
  4. Step 4: Simplify right side
    705,503.04x = 434,955,570,754.01
  5. Step 5: Solve for x
    x = 434,955,570,754.01/705,503.04
  6. Step 6: Final answer
    x = 616,518.35

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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.