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Finding the Fourth Proportional to 652,316.80, 977,308.80 and 552,006.40

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Solution

The fourth proportional to 652,316.80, 977,308.80 and 552,006.40 is: 827,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,316.80 : 977,308.80 = 552,006.40 : x
  2. Step 2: Convert to fraction form
    652,316.80/977,308.80 = 552,006.40/x
  3. Step 3: Cross multiply
    652,316.80x = 977,308.80 × 552,006.40
  4. Step 4: Simplify right side
    652,316.80x = 539,480,712,376.32
  5. Step 5: Solve for x
    x = 539,480,712,376.32/652,316.80
  6. Step 6: Final answer
    x = 827,022.56

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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.