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Finding the Fourth Proportional to 668,807.92, 922,953.69 and 362,884.26

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Solution

The fourth proportional to 668,807.92, 922,953.69 and 362,884.26 is: 500,779.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,807.92 : 922,953.69 = 362,884.26 : x
  2. Step 2: Convert to fraction form
    668,807.92/922,953.69 = 362,884.26/x
  3. Step 3: Cross multiply
    668,807.92x = 922,953.69 × 362,884.26
  4. Step 4: Simplify right side
    668,807.92x = 334,925,366,809.92
  5. Step 5: Solve for x
    x = 334,925,366,809.92/668,807.92
  6. Step 6: Final answer
    x = 500,779.61

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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.