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Finding the Fourth Proportional to 506,365.32, 759,314.20 and 186,436.84

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Solution

The fourth proportional to 506,365.32, 759,314.20 and 186,436.84 is: 279,569.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,365.32 : 759,314.20 = 186,436.84 : x
  2. Step 2: Convert to fraction form
    506,365.32/759,314.20 = 186,436.84/x
  3. Step 3: Cross multiply
    506,365.32x = 759,314.20 × 186,436.84
  4. Step 4: Simplify right side
    506,365.32x = 141,564,140,015.13
  5. Step 5: Solve for x
    x = 141,564,140,015.13/506,365.32
  6. Step 6: Final answer
    x = 279,569.19

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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.