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Finding the Fourth Proportional to 545,832.40, 817,193.40 and 530,280.40

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Solution

The fourth proportional to 545,832.40, 817,193.40 and 530,280.40 is: 793,909.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,832.40 : 817,193.40 = 530,280.40 : x
  2. Step 2: Convert to fraction form
    545,832.40/817,193.40 = 530,280.40/x
  3. Step 3: Cross multiply
    545,832.40x = 817,193.40 × 530,280.40
  4. Step 4: Simplify right side
    545,832.40x = 433,341,643,029.36
  5. Step 5: Solve for x
    x = 433,341,643,029.36/545,832.40
  6. Step 6: Final answer
    x = 793,909.71

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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.