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Finding the Fourth Proportional to 528,988.82, 730,273.43 and 335,594.08

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Solution

The fourth proportional to 528,988.82, 730,273.43 and 335,594.08 is: 463,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,988.82 : 730,273.43 = 335,594.08 : x
  2. Step 2: Convert to fraction form
    528,988.82/730,273.43 = 335,594.08/x
  3. Step 3: Cross multiply
    528,988.82x = 730,273.43 × 335,594.08
  4. Step 4: Simplify right side
    528,988.82x = 245,075,439,889.29
  5. Step 5: Solve for x
    x = 245,075,439,889.29/528,988.82
  6. Step 6: Final answer
    x = 463,290.40

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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.