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Finding the Fourth Proportional to 655,498.62, 904,587.21 and 369,111.24

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Solution

The fourth proportional to 655,498.62, 904,587.21 and 369,111.24 is: 509,373.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,498.62 : 904,587.21 = 369,111.24 : x
  2. Step 2: Convert to fraction form
    655,498.62/904,587.21 = 369,111.24/x
  3. Step 3: Cross multiply
    655,498.62x = 904,587.21 × 369,111.24
  4. Step 4: Simplify right side
    655,498.62x = 333,893,306,771.24
  5. Step 5: Solve for x
    x = 333,893,306,771.24/655,498.62
  6. Step 6: Final answer
    x = 509,373.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.