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Finding the Fourth Proportional to 630,237.71, 941,337.86 and 570,173.58

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Solution

The fourth proportional to 630,237.71, 941,337.86 and 570,173.58 is: 851,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,237.71 : 941,337.86 = 570,173.58 : x
  2. Step 2: Convert to fraction form
    630,237.71/941,337.86 = 570,173.58/x
  3. Step 3: Cross multiply
    630,237.71x = 941,337.86 × 570,173.58
  4. Step 4: Simplify right side
    630,237.71x = 536,725,974,774.87
  5. Step 5: Solve for x
    x = 536,725,974,774.87/630,237.71
  6. Step 6: Final answer
    x = 851,624.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.