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Finding the Fourth Proportional to 572,875.40, 858,146.70 and 292,550.60

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Solution

The fourth proportional to 572,875.40, 858,146.70 and 292,550.60 is: 438,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,875.40 : 858,146.70 = 292,550.60 : x
  2. Step 2: Convert to fraction form
    572,875.40/858,146.70 = 292,550.60/x
  3. Step 3: Cross multiply
    572,875.40x = 858,146.70 × 292,550.60
  4. Step 4: Simplify right side
    572,875.40x = 251,051,331,973.02
  5. Step 5: Solve for x
    x = 251,051,331,973.02/572,875.40
  6. Step 6: Final answer
    x = 438,230.25

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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.