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Finding the Fourth Proportional to 450,035.04, 621,026.52 and 256,488.06

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Solution

The fourth proportional to 450,035.04, 621,026.52 and 256,488.06 is: 353,941.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,035.04 : 621,026.52 = 256,488.06 : x
  2. Step 2: Convert to fraction form
    450,035.04/621,026.52 = 256,488.06/x
  3. Step 3: Cross multiply
    450,035.04x = 621,026.52 × 256,488.06
  4. Step 4: Simplify right side
    450,035.04x = 159,285,887,323.35
  5. Step 5: Solve for x
    x = 159,285,887,323.35/450,035.04
  6. Step 6: Final answer
    x = 353,941.08

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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.