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Finding the Fourth Proportional to 403,362.99, 604,242.59 and 370,295.55

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Solution

The fourth proportional to 403,362.99, 604,242.59 and 370,295.55 is: 554,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,362.99 : 604,242.59 = 370,295.55 : x
  2. Step 2: Convert to fraction form
    403,362.99/604,242.59 = 370,295.55/x
  3. Step 3: Cross multiply
    403,362.99x = 604,242.59 × 370,295.55
  4. Step 4: Simplify right side
    403,362.99x = 223,748,340,346.00
  5. Step 5: Solve for x
    x = 223,748,340,346.00/403,362.99
  6. Step 6: Final answer
    x = 554,707.16

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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.