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Finding the Fourth Proportional to 567,028.40, 849,376.20 and 286,703.60

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Solution

The fourth proportional to 567,028.40, 849,376.20 and 286,703.60 is: 429,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,028.40 : 849,376.20 = 286,703.60 : x
  2. Step 2: Convert to fraction form
    567,028.40/849,376.20 = 286,703.60/x
  3. Step 3: Cross multiply
    567,028.40x = 849,376.20 × 286,703.60
  4. Step 4: Simplify right side
    567,028.40x = 243,519,214,294.32
  5. Step 5: Solve for x
    x = 243,519,214,294.32/567,028.40
  6. Step 6: Final answer
    x = 429,465.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.