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Finding the Fourth Proportional to 668,368.48, 922,348.75 and 362,444.78

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Solution

The fourth proportional to 668,368.48, 922,348.75 and 362,444.78 is: 500,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,368.48 : 922,348.75 = 362,444.78 : x
  2. Step 2: Convert to fraction form
    668,368.48/922,348.75 = 362,444.78/x
  3. Step 3: Cross multiply
    668,368.48x = 922,348.75 × 362,444.78
  4. Step 4: Simplify right side
    668,368.48x = 334,300,493,622.93
  5. Step 5: Solve for x
    x = 334,300,493,622.93/668,368.48
  6. Step 6: Final answer
    x = 500,173.93

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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.