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Finding the Fourth Proportional to 531,798.09, 797,031.92 and 265,632.90

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Solution

The fourth proportional to 531,798.09, 797,031.92 and 265,632.90 is: 398,117.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,798.09 : 797,031.92 = 265,632.90 : x
  2. Step 2: Convert to fraction form
    531,798.09/797,031.92 = 265,632.90/x
  3. Step 3: Cross multiply
    531,798.09x = 797,031.92 × 265,632.90
  4. Step 4: Simplify right side
    531,798.09x = 211,717,900,302.17
  5. Step 5: Solve for x
    x = 211,717,900,302.17/531,798.09
  6. Step 6: Final answer
    x = 398,117.08

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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.