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Finding the Fourth Proportional to 710,770.40, 1,064,600.40 and 617,458.40

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Solution

The fourth proportional to 710,770.40, 1,064,600.40 and 617,458.40 is: 924,836.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,770.40 : 1,064,600.40 = 617,458.40 : x
  2. Step 2: Convert to fraction form
    710,770.40/1,064,600.40 = 617,458.40/x
  3. Step 3: Cross multiply
    710,770.40x = 1,064,600.40 × 617,458.40
  4. Step 4: Simplify right side
    710,770.40x = 657,346,459,623.36
  5. Step 5: Solve for x
    x = 657,346,459,623.36/710,770.40
  6. Step 6: Final answer
    x = 924,836.57

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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.