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Finding the Fourth Proportional to 592,640, 817,848.96 and 324,373.76

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Solution

The fourth proportional to 592,640, 817,848.96 and 324,373.76 is: 447,638.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,640 : 817,848.96 = 324,373.76 : x
  2. Step 2: Convert to fraction form
    592,640/817,848.96 = 324,373.76/x
  3. Step 3: Cross multiply
    592,640x = 817,848.96 × 324,373.76
  4. Step 4: Simplify right side
    592,640x = 265,288,742,267.29
  5. Step 5: Solve for x
    x = 265,288,742,267.29/592,640
  6. Step 6: Final answer
    x = 447,638.94

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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.