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Finding the Fourth Proportional to 607,526.40, 911,289.60 and 572,534.40

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Solution

The fourth proportional to 607,526.40, 911,289.60 and 572,534.40 is: 858,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,526.40 : 911,289.60 = 572,534.40 : x
  2. Step 2: Convert to fraction form
    607,526.40/911,289.60 = 572,534.40/x
  3. Step 3: Cross multiply
    607,526.40x = 911,289.60 × 572,534.40
  4. Step 4: Simplify right side
    607,526.40x = 521,744,644,362.24
  5. Step 5: Solve for x
    x = 521,744,644,362.24/607,526.40
  6. Step 6: Final answer
    x = 858,801.60

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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.