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Finding the Fourth Proportional to 522,106.86, 720,345.66 and 292,632.35

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Solution

The fourth proportional to 522,106.86, 720,345.66 and 292,632.35 is: 403,741.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,106.86 : 720,345.66 = 292,632.35 : x
  2. Step 2: Convert to fraction form
    522,106.86/720,345.66 = 292,632.35/x
  3. Step 3: Cross multiply
    522,106.86x = 720,345.66 × 292,632.35
  4. Step 4: Simplify right side
    522,106.86x = 210,796,438,599.00
  5. Step 5: Solve for x
    x = 210,796,438,599.00/522,106.86
  6. Step 6: Final answer
    x = 403,741.94

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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.