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Finding the Fourth Proportional to 549,515.59, 758,591.24 and 368,345.87

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Solution

The fourth proportional to 549,515.59, 758,591.24 and 368,345.87 is: 508,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,515.59 : 758,591.24 = 368,345.87 : x
  2. Step 2: Convert to fraction form
    549,515.59/758,591.24 = 368,345.87/x
  3. Step 3: Cross multiply
    549,515.59x = 758,591.24 × 368,345.87
  4. Step 4: Simplify right side
    549,515.59x = 279,423,948,430.45
  5. Step 5: Solve for x
    x = 279,423,948,430.45/549,515.59
  6. Step 6: Final answer
    x = 508,491.40

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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.