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Finding the Fourth Proportional to 530,104.60, 740,571.80 and 530,104.60

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Solution

The fourth proportional to 530,104.60, 740,571.80 and 530,104.60 is: 740,571.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,104.60 : 740,571.80 = 530,104.60 : x
  2. Step 2: Convert to fraction form
    530,104.60/740,571.80 = 530,104.60/x
  3. Step 3: Cross multiply
    530,104.60x = 740,571.80 × 530,104.60
  4. Step 4: Simplify right side
    530,104.60x = 392,580,517,810.28
  5. Step 5: Solve for x
    x = 392,580,517,810.28/530,104.60
  6. Step 6: Final answer
    x = 740,571.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.