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Finding the Fourth Proportional to 607,890.30, 910,851.30 and 572,460.90

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Solution

The fourth proportional to 607,890.30, 910,851.30 and 572,460.90 is: 857,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,890.30 : 910,851.30 = 572,460.90 : x
  2. Step 2: Convert to fraction form
    607,890.30/910,851.30 = 572,460.90/x
  3. Step 3: Cross multiply
    607,890.30x = 910,851.30 × 572,460.90
  4. Step 4: Simplify right side
    607,890.30x = 521,426,754,964.17
  5. Step 5: Solve for x
    x = 521,426,754,964.17/607,890.30
  6. Step 6: Final answer
    x = 857,764.56

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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.