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Finding the Fourth Proportional to 610,701.90, 915,615.45 and 255,533.10

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Solution

The fourth proportional to 610,701.90, 915,615.45 and 255,533.10 is: 383,116.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,701.90 : 915,615.45 = 255,533.10 : x
  2. Step 2: Convert to fraction form
    610,701.90/915,615.45 = 255,533.10/x
  3. Step 3: Cross multiply
    610,701.90x = 915,615.45 × 255,533.10
  4. Step 4: Simplify right side
    610,701.90x = 233,970,054,346.40
  5. Step 5: Solve for x
    x = 233,970,054,346.40/610,701.90
  6. Step 6: Final answer
    x = 383,116.63

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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.