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Finding the Fourth Proportional to 594,139.60, 891,209.40 and 528,821.20

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Solution

The fourth proportional to 594,139.60, 891,209.40 and 528,821.20 is: 793,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,139.60 : 891,209.40 = 528,821.20 : x
  2. Step 2: Convert to fraction form
    594,139.60/891,209.40 = 528,821.20/x
  3. Step 3: Cross multiply
    594,139.60x = 891,209.40 × 528,821.20
  4. Step 4: Simplify right side
    594,139.60x = 471,290,424,359.28
  5. Step 5: Solve for x
    x = 471,290,424,359.28/594,139.60
  6. Step 6: Final answer
    x = 793,231.80

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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.