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Finding the Fourth Proportional to 567,309.60, 850,964.40 and 553,312.80

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Solution

The fourth proportional to 567,309.60, 850,964.40 and 553,312.80 is: 829,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,309.60 : 850,964.40 = 553,312.80 : x
  2. Step 2: Convert to fraction form
    567,309.60/850,964.40 = 553,312.80/x
  3. Step 3: Cross multiply
    567,309.60x = 850,964.40 × 553,312.80
  4. Step 4: Simplify right side
    567,309.60x = 470,849,494,864.32
  5. Step 5: Solve for x
    x = 470,849,494,864.32/567,309.60
  6. Step 6: Final answer
    x = 829,969.20

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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.