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Finding the Fourth Proportional to 549,504.86, 758,549.91 and 358,681.82

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Solution

The fourth proportional to 549,504.86, 758,549.91 and 358,681.82 is: 495,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,504.86 : 758,549.91 = 358,681.82 : x
  2. Step 2: Convert to fraction form
    549,504.86/758,549.91 = 358,681.82/x
  3. Step 3: Cross multiply
    549,504.86x = 758,549.91 × 358,681.82
  4. Step 4: Simplify right side
    549,504.86x = 272,078,062,279.64
  5. Step 5: Solve for x
    x = 272,078,062,279.64/549,504.86
  6. Step 6: Final answer
    x = 495,133.13

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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.