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Finding the Fourth Proportional to 473,275.98, 653,117.58 and 258,415.92

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Solution

The fourth proportional to 473,275.98, 653,117.58 and 258,415.92 is: 356,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,275.98 : 653,117.58 = 258,415.92 : x
  2. Step 2: Convert to fraction form
    473,275.98/653,117.58 = 258,415.92/x
  3. Step 3: Cross multiply
    473,275.98x = 653,117.58 × 258,415.92
  4. Step 4: Simplify right side
    473,275.98x = 168,775,980,303.87
  5. Step 5: Solve for x
    x = 168,775,980,303.87/473,275.98
  6. Step 6: Final answer
    x = 356,612.18

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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.