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Finding the Fourth Proportional to 551,455.04, 760,814.16 and 360,580.16

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Solution

The fourth proportional to 551,455.04, 760,814.16 and 360,580.16 is: 497,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,455.04 : 760,814.16 = 360,580.16 : x
  2. Step 2: Convert to fraction form
    551,455.04/760,814.16 = 360,580.16/x
  3. Step 3: Cross multiply
    551,455.04x = 760,814.16 × 360,580.16
  4. Step 4: Simplify right side
    551,455.04x = 274,334,491,543.07
  5. Step 5: Solve for x
    x = 274,334,491,543.07/551,455.04
  6. Step 6: Final answer
    x = 497,473.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.