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Finding the Fourth Proportional to 556,151.86, 767,081.91 and 365,095.54

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Solution

The fourth proportional to 556,151.86, 767,081.91 and 365,095.54 is: 503,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,151.86 : 767,081.91 = 365,095.54 : x
  2. Step 2: Convert to fraction form
    556,151.86/767,081.91 = 365,095.54/x
  3. Step 3: Cross multiply
    556,151.86x = 767,081.91 × 365,095.54
  4. Step 4: Simplify right side
    556,151.86x = 280,058,184,155.68
  5. Step 5: Solve for x
    x = 280,058,184,155.68/556,151.86
  6. Step 6: Final answer
    x = 503,564.23

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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.