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Finding the Fourth Proportional to 572,976, 853,411.59 and 542,999.52

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Solution

The fourth proportional to 572,976, 853,411.59 and 542,999.52 is: 808,763.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,976 : 853,411.59 = 542,999.52 : x
  2. Step 2: Convert to fraction form
    572,976/853,411.59 = 542,999.52/x
  3. Step 3: Cross multiply
    572,976x = 853,411.59 × 542,999.52
  4. Step 4: Simplify right side
    572,976x = 463,402,083,732.44
  5. Step 5: Solve for x
    x = 463,402,083,732.44/572,976
  6. Step 6: Final answer
    x = 808,763.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.