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Finding the Fourth Proportional to 561,864.12, 841,987.80 and 241,928.16

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Solution

The fourth proportional to 561,864.12, 841,987.80 and 241,928.16 is: 362,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,864.12 : 841,987.80 = 241,928.16 : x
  2. Step 2: Convert to fraction form
    561,864.12/841,987.80 = 241,928.16/x
  3. Step 3: Cross multiply
    561,864.12x = 841,987.80 × 241,928.16
  4. Step 4: Simplify right side
    561,864.12x = 203,700,559,196.45
  5. Step 5: Solve for x
    x = 203,700,559,196.45/561,864.12
  6. Step 6: Final answer
    x = 362,544.17

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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.