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Finding the Fourth Proportional to 534,152.40, 799,673.40 and 518,600.40

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Solution

The fourth proportional to 534,152.40, 799,673.40 and 518,600.40 is: 776,390.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,152.40 : 799,673.40 = 518,600.40 : x
  2. Step 2: Convert to fraction form
    534,152.40/799,673.40 = 518,600.40/x
  3. Step 3: Cross multiply
    534,152.40x = 799,673.40 × 518,600.40
  4. Step 4: Simplify right side
    534,152.40x = 414,710,945,109.36
  5. Step 5: Solve for x
    x = 414,710,945,109.36/534,152.40
  6. Step 6: Final answer
    x = 776,390.68

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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.