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Finding the Fourth Proportional to 507,966.80, 710,220.40 and 507,966.80

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Solution

The fourth proportional to 507,966.80, 710,220.40 and 507,966.80 is: 710,220.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,966.80 : 710,220.40 = 507,966.80 : x
  2. Step 2: Convert to fraction form
    507,966.80/710,220.40 = 507,966.80/x
  3. Step 3: Cross multiply
    507,966.80x = 710,220.40 × 507,966.80
  4. Step 4: Simplify right side
    507,966.80x = 360,768,383,882.72
  5. Step 5: Solve for x
    x = 360,768,383,882.72/507,966.80
  6. Step 6: Final answer
    x = 710,220.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.