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Finding the Fourth Proportional to 503,652.40, 695,019.28 and 277,283.32

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Solution

The fourth proportional to 503,652.40, 695,019.28 and 277,283.32 is: 382,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,652.40 : 695,019.28 = 277,283.32 : x
  2. Step 2: Convert to fraction form
    503,652.40/695,019.28 = 277,283.32/x
  3. Step 3: Cross multiply
    503,652.40x = 695,019.28 × 277,283.32
  4. Step 4: Simplify right side
    503,652.40x = 192,717,253,422.41
  5. Step 5: Solve for x
    x = 192,717,253,422.41/503,652.40
  6. Step 6: Final answer
    x = 382,639.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.