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Finding the Fourth Proportional to 562,080.96, 775,666.08 and 307,437.12

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Solution

The fourth proportional to 562,080.96, 775,666.08 and 307,437.12 is: 424,260.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,080.96 : 775,666.08 = 307,437.12 : x
  2. Step 2: Convert to fraction form
    562,080.96/775,666.08 = 307,437.12/x
  3. Step 3: Cross multiply
    562,080.96x = 775,666.08 × 307,437.12
  4. Step 4: Simplify right side
    562,080.96x = 238,468,545,716.89
  5. Step 5: Solve for x
    x = 238,468,545,716.89/562,080.96
  6. Step 6: Final answer
    x = 424,260.14

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1.5x scale

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.