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Finding the Fourth Proportional to 652,054.80, 978,082.20 and 569,110.80

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Solution

The fourth proportional to 652,054.80, 978,082.20 and 569,110.80 is: 853,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,054.80 : 978,082.20 = 569,110.80 : x
  2. Step 2: Convert to fraction form
    652,054.80/978,082.20 = 569,110.80/x
  3. Step 3: Cross multiply
    652,054.80x = 978,082.20 × 569,110.80
  4. Step 4: Simplify right side
    652,054.80x = 556,637,143,307.76
  5. Step 5: Solve for x
    x = 556,637,143,307.76/652,054.80
  6. Step 6: Final answer
    x = 853,666.20

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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.