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Finding the Fourth Proportional to 553,482.34, 829,415.64 and 245,362.60

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Solution

The fourth proportional to 553,482.34, 829,415.64 and 245,362.60 is: 367,685.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,482.34 : 829,415.64 = 245,362.60 : x
  2. Step 2: Convert to fraction form
    553,482.34/829,415.64 = 245,362.60/x
  3. Step 3: Cross multiply
    553,482.34x = 829,415.64 × 245,362.60
  4. Step 4: Simplify right side
    553,482.34x = 203,507,577,911.06
  5. Step 5: Solve for x
    x = 203,507,577,911.06/553,482.34
  6. Step 6: Final answer
    x = 367,685.77

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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.