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Finding the Fourth Proportional to 530,108.60, 740,577.40 and 530,108.60

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Solution

The fourth proportional to 530,108.60, 740,577.40 and 530,108.60 is: 740,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,108.60 : 740,577.40 = 530,108.60 : x
  2. Step 2: Convert to fraction form
    530,108.60/740,577.40 = 530,108.60/x
  3. Step 3: Cross multiply
    530,108.60x = 740,577.40 × 530,108.60
  4. Step 4: Simplify right side
    530,108.60x = 392,586,448,705.64
  5. Step 5: Solve for x
    x = 392,586,448,705.64/530,108.60
  6. Step 6: Final answer
    x = 740,577.40

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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.