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Finding the Fourth Proportional to 709,343.58, 978,638.38 and 546,050.02

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Solution

The fourth proportional to 709,343.58, 978,638.38 and 546,050.02 is: 753,352.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,343.58 : 978,638.38 = 546,050.02 : x
  2. Step 2: Convert to fraction form
    709,343.58/978,638.38 = 546,050.02/x
  3. Step 3: Cross multiply
    709,343.58x = 978,638.38 × 546,050.02
  4. Step 4: Simplify right side
    709,343.58x = 534,385,506,971.77
  5. Step 5: Solve for x
    x = 534,385,506,971.77/709,343.58
  6. Step 6: Final answer
    x = 753,352.14

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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.