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Finding the Fourth Proportional to 666,152.10, 919,303.32 and 364,365.54

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Solution

The fourth proportional to 666,152.10, 919,303.32 and 364,365.54 is: 502,831.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,152.10 : 919,303.32 = 364,365.54 : x
  2. Step 2: Convert to fraction form
    666,152.10/919,303.32 = 364,365.54/x
  3. Step 3: Cross multiply
    666,152.10x = 919,303.32 × 364,365.54
  4. Step 4: Simplify right side
    666,152.10x = 334,962,450,615.59
  5. Step 5: Solve for x
    x = 334,962,450,615.59/666,152.10
  6. Step 6: Final answer
    x = 502,831.79

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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.