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Finding the Fourth Proportional to 450,580.98, 621,799.95 and 243,848.91

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Solution

The fourth proportional to 450,580.98, 621,799.95 and 243,848.91 is: 336,510.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,580.98 : 621,799.95 = 243,848.91 : x
  2. Step 2: Convert to fraction form
    450,580.98/621,799.95 = 243,848.91/x
  3. Step 3: Cross multiply
    450,580.98x = 621,799.95 × 243,848.91
  4. Step 4: Simplify right side
    450,580.98x = 151,625,240,045.56
  5. Step 5: Solve for x
    x = 151,625,240,045.56/450,580.98
  6. Step 6: Final answer
    x = 336,510.52

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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.