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Finding the Fourth Proportional to 573,685.40, 859,491.30 and 507,330.20

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Solution

The fourth proportional to 573,685.40, 859,491.30 and 507,330.20 is: 760,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,685.40 : 859,491.30 = 507,330.20 : x
  2. Step 2: Convert to fraction form
    573,685.40/859,491.30 = 507,330.20/x
  3. Step 3: Cross multiply
    573,685.40x = 859,491.30 × 507,330.20
  4. Step 4: Simplify right side
    573,685.40x = 436,045,893,127.26
  5. Step 5: Solve for x
    x = 436,045,893,127.26/573,685.40
  6. Step 6: Final answer
    x = 760,078.42

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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.