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Finding the Fourth Proportional to 473,488.80, 653,430.24 and 258,648.90

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Solution

The fourth proportional to 473,488.80, 653,430.24 and 258,648.90 is: 356,944.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,488.80 : 653,430.24 = 258,648.90 : x
  2. Step 2: Convert to fraction form
    473,488.80/653,430.24 = 258,648.90/x
  3. Step 3: Cross multiply
    473,488.80x = 653,430.24 × 258,648.90
  4. Step 4: Simplify right side
    473,488.80x = 169,009,012,802.74
  5. Step 5: Solve for x
    x = 169,009,012,802.74/473,488.80
  6. Step 6: Final answer
    x = 356,944.06

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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.