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Finding the Fourth Proportional to 559,792.67, 772,475.27 and 314,814.04

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Solution

The fourth proportional to 559,792.67, 772,475.27 and 314,814.04 is: 434,421.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,792.67 : 772,475.27 = 314,814.04 : x
  2. Step 2: Convert to fraction form
    559,792.67/772,475.27 = 314,814.04/x
  3. Step 3: Cross multiply
    559,792.67x = 772,475.27 × 314,814.04
  4. Step 4: Simplify right side
    559,792.67x = 243,186,057,043.53
  5. Step 5: Solve for x
    x = 243,186,057,043.53/559,792.67
  6. Step 6: Final answer
    x = 434,421.66

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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.