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Finding the Fourth Proportional to 584,187.40, 875,330.70 and 528,200.20

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Solution

The fourth proportional to 584,187.40, 875,330.70 and 528,200.20 is: 791,440.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,187.40 : 875,330.70 = 528,200.20 : x
  2. Step 2: Convert to fraction form
    584,187.40/875,330.70 = 528,200.20/x
  3. Step 3: Cross multiply
    584,187.40x = 875,330.70 × 528,200.20
  4. Step 4: Simplify right side
    584,187.40x = 462,349,850,806.14
  5. Step 5: Solve for x
    x = 462,349,850,806.14/584,187.40
  6. Step 6: Final answer
    x = 791,440.98

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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.