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Finding the Fourth Proportional to 524,486.80, 786,730.20 and 150,547.60

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Solution

The fourth proportional to 524,486.80, 786,730.20 and 150,547.60 is: 225,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,486.80 : 786,730.20 = 150,547.60 : x
  2. Step 2: Convert to fraction form
    524,486.80/786,730.20 = 150,547.60/x
  3. Step 3: Cross multiply
    524,486.80x = 786,730.20 × 150,547.60
  4. Step 4: Simplify right side
    524,486.80x = 118,440,343,457.52
  5. Step 5: Solve for x
    x = 118,440,343,457.52/524,486.80
  6. Step 6: Final answer
    x = 225,821.40

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Similar ratio
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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.