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Finding the Fourth Proportional to 737,798.76, 1,018,159.77 and 415,508.77

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Solution

The fourth proportional to 737,798.76, 1,018,159.77 and 415,508.77 is: 573,400.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,798.76 : 1,018,159.77 = 415,508.77 : x
  2. Step 2: Convert to fraction form
    737,798.76/1,018,159.77 = 415,508.77/x
  3. Step 3: Cross multiply
    737,798.76x = 1,018,159.77 × 415,508.77
  4. Step 4: Simplify right side
    737,798.76x = 423,054,316,527.04
  5. Step 5: Solve for x
    x = 423,054,316,527.04/737,798.76
  6. Step 6: Final answer
    x = 573,400.69

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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.