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Finding the Fourth Proportional to 480,681, 663,328.80 and 265,822.92

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Solution

The fourth proportional to 480,681, 663,328.80 and 265,822.92 is: 366,829.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,681 : 663,328.80 = 265,822.92 : x
  2. Step 2: Convert to fraction form
    480,681/663,328.80 = 265,822.92/x
  3. Step 3: Cross multiply
    480,681x = 663,328.80 × 265,822.92
  4. Step 4: Simplify right side
    480,681x = 176,327,998,536.10
  5. Step 5: Solve for x
    x = 176,327,998,536.10/480,681
  6. Step 6: Final answer
    x = 366,829.56

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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.