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Finding the Fourth Proportional to 623,444.80, 933,784.80 and 374,612.80

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Solution

The fourth proportional to 623,444.80, 933,784.80 and 374,612.80 is: 561,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,444.80 : 933,784.80 = 374,612.80 : x
  2. Step 2: Convert to fraction form
    623,444.80/933,784.80 = 374,612.80/x
  3. Step 3: Cross multiply
    623,444.80x = 933,784.80 × 374,612.80
  4. Step 4: Simplify right side
    623,444.80x = 349,807,738,525.44
  5. Step 5: Solve for x
    x = 349,807,738,525.44/623,444.80
  6. Step 6: Final answer
    x = 561,088.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.