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Finding the Fourth Proportional to 612,532.04, 918,798.06 and 191,840.84

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Solution

The fourth proportional to 612,532.04, 918,798.06 and 191,840.84 is: 287,761.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,532.04 : 918,798.06 = 191,840.84 : x
  2. Step 2: Convert to fraction form
    612,532.04/918,798.06 = 191,840.84/x
  3. Step 3: Cross multiply
    612,532.04x = 918,798.06 × 191,840.84
  4. Step 4: Simplify right side
    612,532.04x = 176,262,991,620.77
  5. Step 5: Solve for x
    x = 176,262,991,620.77/612,532.04
  6. Step 6: Final answer
    x = 287,761.26

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Double scale
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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.