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Finding the Fourth Proportional to 528,990.08, 730,275.15 and 335,595.33

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Solution

The fourth proportional to 528,990.08, 730,275.15 and 335,595.33 is: 463,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,990.08 : 730,275.15 = 335,595.33 : x
  2. Step 2: Convert to fraction form
    528,990.08/730,275.15 = 335,595.33/x
  3. Step 3: Cross multiply
    528,990.08x = 730,275.15 × 335,595.33
  4. Step 4: Simplify right side
    528,990.08x = 245,076,929,955.05
  5. Step 5: Solve for x
    x = 245,076,929,955.05/528,990.08
  6. Step 6: Final answer
    x = 463,292.11

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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.