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Finding the Fourth Proportional to 670,675.77, 924,899.90 and 440,826.93

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Solution

The fourth proportional to 670,675.77, 924,899.90 and 440,826.93 is: 607,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,675.77 : 924,899.90 = 440,826.93 : x
  2. Step 2: Convert to fraction form
    670,675.77/924,899.90 = 440,826.93/x
  3. Step 3: Cross multiply
    670,675.77x = 924,899.90 × 440,826.93
  4. Step 4: Simplify right side
    670,675.77x = 407,720,781,270.17
  5. Step 5: Solve for x
    x = 407,720,781,270.17/670,675.77
  6. Step 6: Final answer
    x = 607,925.32

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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.