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Finding the Fourth Proportional to 462,011.80, 637,569.48 and 258,065.56

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Solution

The fourth proportional to 462,011.80, 637,569.48 and 258,065.56 is: 356,126.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,011.80 : 637,569.48 = 258,065.56 : x
  2. Step 2: Convert to fraction form
    462,011.80/637,569.48 = 258,065.56/x
  3. Step 3: Cross multiply
    462,011.80x = 637,569.48 × 258,065.56
  4. Step 4: Simplify right side
    462,011.80x = 164,534,724,895.11
  5. Step 5: Solve for x
    x = 164,534,724,895.11/462,011.80
  6. Step 6: Final answer
    x = 356,126.67

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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.