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Finding the Fourth Proportional to 577,505.60, 865,336.80 and 483,502.40

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Solution

The fourth proportional to 577,505.60, 865,336.80 and 483,502.40 is: 724,482.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,505.60 : 865,336.80 = 483,502.40 : x
  2. Step 2: Convert to fraction form
    577,505.60/865,336.80 = 483,502.40/x
  3. Step 3: Cross multiply
    577,505.60x = 865,336.80 × 483,502.40
  4. Step 4: Simplify right side
    577,505.60x = 418,392,419,608.32
  5. Step 5: Solve for x
    x = 418,392,419,608.32/577,505.60
  6. Step 6: Final answer
    x = 724,482.01

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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.