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Finding the Fourth Proportional to 636,303.80, 954,455.70 and 532,105.40

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Solution

The fourth proportional to 636,303.80, 954,455.70 and 532,105.40 is: 798,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,303.80 : 954,455.70 = 532,105.40 : x
  2. Step 2: Convert to fraction form
    636,303.80/954,455.70 = 532,105.40/x
  3. Step 3: Cross multiply
    636,303.80x = 954,455.70 × 532,105.40
  4. Step 4: Simplify right side
    636,303.80x = 507,871,032,030.78
  5. Step 5: Solve for x
    x = 507,871,032,030.78/636,303.80
  6. Step 6: Final answer
    x = 798,158.10

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Similar ratio
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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.