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Finding the Fourth Proportional to 619,201.80, 928,802.70 and 595,582.20

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Solution

The fourth proportional to 619,201.80, 928,802.70 and 595,582.20 is: 893,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,201.80 : 928,802.70 = 595,582.20 : x
  2. Step 2: Convert to fraction form
    619,201.80/928,802.70 = 595,582.20/x
  3. Step 3: Cross multiply
    619,201.80x = 928,802.70 × 595,582.20
  4. Step 4: Simplify right side
    619,201.80x = 553,178,355,431.94
  5. Step 5: Solve for x
    x = 553,178,355,431.94/619,201.80
  6. Step 6: Final answer
    x = 893,373.30

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Double scale
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Similar ratio
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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.