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Finding the Fourth Proportional to 572,548.20, 802,673.40 and 572,548.20

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Solution

The fourth proportional to 572,548.20, 802,673.40 and 572,548.20 is: 802,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,548.20 : 802,673.40 = 572,548.20 : x
  2. Step 2: Convert to fraction form
    572,548.20/802,673.40 = 572,548.20/x
  3. Step 3: Cross multiply
    572,548.20x = 802,673.40 × 572,548.20
  4. Step 4: Simplify right side
    572,548.20x = 459,569,210,357.88
  5. Step 5: Solve for x
    x = 459,569,210,357.88/572,548.20
  6. Step 6: Final answer
    x = 802,673.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.