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Finding the Fourth Proportional to 652,196.80, 977,128.80 and 558,884.80

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Solution

The fourth proportional to 652,196.80, 977,128.80 and 558,884.80 is: 837,327.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,196.80 : 977,128.80 = 558,884.80 : x
  2. Step 2: Convert to fraction form
    652,196.80/977,128.80 = 558,884.80/x
  3. Step 3: Cross multiply
    652,196.80x = 977,128.80 × 558,884.80
  4. Step 4: Simplify right side
    652,196.80x = 546,102,433,962.24
  5. Step 5: Solve for x
    x = 546,102,433,962.24/652,196.80
  6. Step 6: Final answer
    x = 837,327.68

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1.5x scale

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.