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Finding the Fourth Proportional to 340,124.40, 510,260.40 and 103,460.93

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Solution

The fourth proportional to 340,124.40, 510,260.40 and 103,460.93 is: 155,213.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,124.40 : 510,260.40 = 103,460.93 : x
  2. Step 2: Convert to fraction form
    340,124.40/510,260.40 = 103,460.93/x
  3. Step 3: Cross multiply
    340,124.40x = 510,260.40 × 103,460.93
  4. Step 4: Simplify right side
    340,124.40x = 52,792,014,888.35
  5. Step 5: Solve for x
    x = 52,792,014,888.35/340,124.40
  6. Step 6: Final answer
    x = 155,213.84

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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.