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Finding the Fourth Proportional to 569,130.90, 785,445.45 and 324,126.08

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Solution

The fourth proportional to 569,130.90, 785,445.45 and 324,126.08 is: 447,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,130.90 : 785,445.45 = 324,126.08 : x
  2. Step 2: Convert to fraction form
    569,130.90/785,445.45 = 324,126.08/x
  3. Step 3: Cross multiply
    569,130.90x = 785,445.45 × 324,126.08
  4. Step 4: Simplify right side
    569,130.90x = 254,583,350,835.11
  5. Step 5: Solve for x
    x = 254,583,350,835.11/569,130.90
  6. Step 6: Final answer
    x = 447,319.50

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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.