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Finding the Fourth Proportional to 888,114.60, 1,333,554.30 and 514,866.60

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Solution

The fourth proportional to 888,114.60, 1,333,554.30 and 514,866.60 is: 773,101.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,114.60 : 1,333,554.30 = 514,866.60 : x
  2. Step 2: Convert to fraction form
    888,114.60/1,333,554.30 = 514,866.60/x
  3. Step 3: Cross multiply
    888,114.60x = 1,333,554.30 × 514,866.60
  4. Step 4: Simplify right side
    888,114.60x = 686,602,568,356.38
  5. Step 5: Solve for x
    x = 686,602,568,356.38/888,114.60
  6. Step 6: Final answer
    x = 773,101.32

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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.