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Finding the Fourth Proportional to 616,907.52, 851,080.32 and 415,768.32

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Solution

The fourth proportional to 616,907.52, 851,080.32 and 415,768.32 is: 573,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,907.52 : 851,080.32 = 415,768.32 : x
  2. Step 2: Convert to fraction form
    616,907.52/851,080.32 = 415,768.32/x
  3. Step 3: Cross multiply
    616,907.52x = 851,080.32 × 415,768.32
  4. Step 4: Simplify right side
    616,907.52x = 353,852,234,831.46
  5. Step 5: Solve for x
    x = 353,852,234,831.46/616,907.52
  6. Step 6: Final answer
    x = 573,590.41

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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.