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Finding the Fourth Proportional to 652,055.60, 978,083.40 and 527,639.60

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Solution

The fourth proportional to 652,055.60, 978,083.40 and 527,639.60 is: 791,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,055.60 : 978,083.40 = 527,639.60 : x
  2. Step 2: Convert to fraction form
    652,055.60/978,083.40 = 527,639.60/x
  3. Step 3: Cross multiply
    652,055.60x = 978,083.40 × 527,639.60
  4. Step 4: Simplify right side
    652,055.60x = 516,075,533,942.64
  5. Step 5: Solve for x
    x = 516,075,533,942.64/652,055.60
  6. Step 6: Final answer
    x = 791,459.40

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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.