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Finding the Fourth Proportional to 575,537.60, 863,306.40 and 542,878.40

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Solution

The fourth proportional to 575,537.60, 863,306.40 and 542,878.40 is: 814,317.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,537.60 : 863,306.40 = 542,878.40 : x
  2. Step 2: Convert to fraction form
    575,537.60/863,306.40 = 542,878.40/x
  3. Step 3: Cross multiply
    575,537.60x = 863,306.40 × 542,878.40
  4. Step 4: Simplify right side
    575,537.60x = 468,670,397,141.76
  5. Step 5: Solve for x
    x = 468,670,397,141.76/575,537.60
  6. Step 6: Final answer
    x = 814,317.60

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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.