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Finding the Fourth Proportional to 554,901.21, 765,779.06 and 337,036.32

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Solution

The fourth proportional to 554,901.21, 765,779.06 and 337,036.32 is: 465,119.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,901.21 : 765,779.06 = 337,036.32 : x
  2. Step 2: Convert to fraction form
    554,901.21/765,779.06 = 337,036.32/x
  3. Step 3: Cross multiply
    554,901.21x = 765,779.06 × 337,036.32
  4. Step 4: Simplify right side
    554,901.21x = 258,095,357,158.05
  5. Step 5: Solve for x
    x = 258,095,357,158.05/554,901.21
  6. Step 6: Final answer
    x = 465,119.47

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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.