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Finding the Fourth Proportional to 705,515.04, 973,237.56 and 446,935.80

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Solution

The fourth proportional to 705,515.04, 973,237.56 and 446,935.80 is: 616,534.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,515.04 : 973,237.56 = 446,935.80 : x
  2. Step 2: Convert to fraction form
    705,515.04/973,237.56 = 446,935.80/x
  3. Step 3: Cross multiply
    705,515.04x = 973,237.56 × 446,935.80
  4. Step 4: Simplify right side
    705,515.04x = 434,974,707,468.65
  5. Step 5: Solve for x
    x = 434,974,707,468.65/705,515.04
  6. Step 6: Final answer
    x = 616,534.99

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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.