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Finding the Fourth Proportional to 1,105,189, 1,657,783.50 and 357,235

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Solution

The fourth proportional to 1,105,189, 1,657,783.50 and 357,235 is: 535,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,189 : 1,657,783.50 = 357,235 : x
  2. Step 2: Convert to fraction form
    1,105,189/1,657,783.50 = 357,235/x
  3. Step 3: Cross multiply
    1,105,189x = 1,657,783.50 × 357,235
  4. Step 4: Simplify right side
    1,105,189x = 592,218,288,622.50
  5. Step 5: Solve for x
    x = 592,218,288,622.50/1,105,189
  6. Step 6: Final answer
    x = 535,852.50

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Similar ratio
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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.