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Finding the Fourth Proportional to 677,059.65, 933,917.45 and 435,655.89

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Solution

The fourth proportional to 677,059.65, 933,917.45 and 435,655.89 is: 600,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,059.65 : 933,917.45 = 435,655.89 : x
  2. Step 2: Convert to fraction form
    677,059.65/933,917.45 = 435,655.89/x
  3. Step 3: Cross multiply
    677,059.65x = 933,917.45 × 435,655.89
  4. Step 4: Simplify right side
    677,059.65x = 406,866,635,688.00
  5. Step 5: Solve for x
    x = 406,866,635,688.00/677,059.65
  6. Step 6: Final answer
    x = 600,931.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.