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Finding the Fourth Proportional to 506,574.35, 759,861.38 and 190,957.45

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Solution

The fourth proportional to 506,574.35, 759,861.38 and 190,957.45 is: 286,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,574.35 : 759,861.38 = 190,957.45 : x
  2. Step 2: Convert to fraction form
    506,574.35/759,861.38 = 190,957.45/x
  3. Step 3: Cross multiply
    506,574.35x = 759,861.38 × 190,957.45
  4. Step 4: Simplify right side
    506,574.35x = 145,101,188,623.84
  5. Step 5: Solve for x
    x = 145,101,188,623.84/506,574.35
  6. Step 6: Final answer
    x = 286,436.11

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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.