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Finding the Fourth Proportional to 556,827.20, 835,240.80 and 535,054.40

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Solution

The fourth proportional to 556,827.20, 835,240.80 and 535,054.40 is: 802,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,827.20 : 835,240.80 = 535,054.40 : x
  2. Step 2: Convert to fraction form
    556,827.20/835,240.80 = 535,054.40/x
  3. Step 3: Cross multiply
    556,827.20x = 835,240.80 × 535,054.40
  4. Step 4: Simplify right side
    556,827.20x = 446,899,265,099.52
  5. Step 5: Solve for x
    x = 446,899,265,099.52/556,827.20
  6. Step 6: Final answer
    x = 802,581.60

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Similar ratio
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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.