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Finding the Fourth Proportional to 562,036.09, 775,615.93 and 307,381.81

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Solution

The fourth proportional to 562,036.09, 775,615.93 and 307,381.81 is: 424,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,036.09 : 775,615.93 = 307,381.81 : x
  2. Step 2: Convert to fraction form
    562,036.09/775,615.93 = 307,381.81/x
  3. Step 3: Cross multiply
    562,036.09x = 775,615.93 × 307,381.81
  4. Step 4: Simplify right side
    562,036.09x = 238,410,228,428.23
  5. Step 5: Solve for x
    x = 238,410,228,428.23/562,036.09
  6. Step 6: Final answer
    x = 424,190.25

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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.