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Finding the Fourth Proportional to 516,349.79, 773,403.07 and 249,550.77

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Solution

The fourth proportional to 516,349.79, 773,403.07 and 249,550.77 is: 373,784.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,349.79 : 773,403.07 = 249,550.77 : x
  2. Step 2: Convert to fraction form
    516,349.79/773,403.07 = 249,550.77/x
  3. Step 3: Cross multiply
    516,349.79x = 773,403.07 × 249,550.77
  4. Step 4: Simplify right side
    516,349.79x = 193,003,331,638.86
  5. Step 5: Solve for x
    x = 193,003,331,638.86/516,349.79
  6. Step 6: Final answer
    x = 373,784.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.