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Finding the Fourth Proportional to 617,868.40, 926,802.60 and 493,452.40

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Solution

The fourth proportional to 617,868.40, 926,802.60 and 493,452.40 is: 740,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,868.40 : 926,802.60 = 493,452.40 : x
  2. Step 2: Convert to fraction form
    617,868.40/926,802.60 = 493,452.40/x
  3. Step 3: Cross multiply
    617,868.40x = 926,802.60 × 493,452.40
  4. Step 4: Simplify right side
    617,868.40x = 457,332,967,296.24
  5. Step 5: Solve for x
    x = 457,332,967,296.24/617,868.40
  6. Step 6: Final answer
    x = 740,178.60

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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.