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Finding the Fourth Proportional to 569,220.47, 785,448.34 and 365,547.27

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Solution

The fourth proportional to 569,220.47, 785,448.34 and 365,547.27 is: 504,406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,220.47 : 785,448.34 = 365,547.27 : x
  2. Step 2: Convert to fraction form
    569,220.47/785,448.34 = 365,547.27/x
  3. Step 3: Cross multiply
    569,220.47x = 785,448.34 × 365,547.27
  4. Step 4: Simplify right side
    569,220.47x = 287,118,495,499.16
  5. Step 5: Solve for x
    x = 287,118,495,499.16/569,220.47
  6. Step 6: Final answer
    x = 504,406.49

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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.