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Finding the Fourth Proportional to 572,853.40, 858,113.70 and 292,528.60

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Solution

The fourth proportional to 572,853.40, 858,113.70 and 292,528.60 is: 438,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,853.40 : 858,113.70 = 292,528.60 : x
  2. Step 2: Convert to fraction form
    572,853.40/858,113.70 = 292,528.60/x
  3. Step 3: Cross multiply
    572,853.40x = 858,113.70 × 292,528.60
  4. Step 4: Simplify right side
    572,853.40x = 251,022,799,301.82
  5. Step 5: Solve for x
    x = 251,022,799,301.82/572,853.40
  6. Step 6: Final answer
    x = 438,197.28

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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.