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Finding the Fourth Proportional to 607,544.40, 911,316.60 and 572,552.40

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Solution

The fourth proportional to 607,544.40, 911,316.60 and 572,552.40 is: 858,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,544.40 : 911,316.60 = 572,552.40 : x
  2. Step 2: Convert to fraction form
    607,544.40/911,316.60 = 572,552.40/x
  3. Step 3: Cross multiply
    607,544.40x = 911,316.60 × 572,552.40
  4. Step 4: Simplify right side
    607,544.40x = 521,776,506,489.84
  5. Step 5: Solve for x
    x = 521,776,506,489.84/607,544.40
  6. Step 6: Final answer
    x = 858,828.60

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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.