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Finding the Fourth Proportional to 233,260.40, 349,890.60 and 64,780.40

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Solution

The fourth proportional to 233,260.40, 349,890.60 and 64,780.40 is: 97,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,260.40 : 349,890.60 = 64,780.40 : x
  2. Step 2: Convert to fraction form
    233,260.40/349,890.60 = 64,780.40/x
  3. Step 3: Cross multiply
    233,260.40x = 349,890.60 × 64,780.40
  4. Step 4: Simplify right side
    233,260.40x = 22,666,053,024.24
  5. Step 5: Solve for x
    x = 22,666,053,024.24/233,260.40
  6. Step 6: Final answer
    x = 97,170.60

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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.