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Finding the Fourth Proportional to 549,341.16, 757,698.86 and 504,164.76

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Solution

The fourth proportional to 549,341.16, 757,698.86 and 504,164.76 is: 695,387.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,341.16 : 757,698.86 = 504,164.76 : x
  2. Step 2: Convert to fraction form
    549,341.16/757,698.86 = 504,164.76/x
  3. Step 3: Cross multiply
    549,341.16x = 757,698.86 × 504,164.76
  4. Step 4: Simplify right side
    549,341.16x = 382,005,063,904.17
  5. Step 5: Solve for x
    x = 382,005,063,904.17/549,341.16
  6. Step 6: Final answer
    x = 695,387.66

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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.