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Finding the Fourth Proportional to 473,673.69, 653,674.27 and 258,813.74

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Solution

The fourth proportional to 473,673.69, 653,674.27 and 258,813.74 is: 357,165.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,673.69 : 653,674.27 = 258,813.74 : x
  2. Step 2: Convert to fraction form
    473,673.69/653,674.27 = 258,813.74/x
  3. Step 3: Cross multiply
    473,673.69x = 653,674.27 × 258,813.74
  4. Step 4: Simplify right side
    473,673.69x = 169,179,879,292.10
  5. Step 5: Solve for x
    x = 169,179,879,292.10/473,673.69
  6. Step 6: Final answer
    x = 357,165.46

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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.