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Finding the Fourth Proportional to 705,038.60, 972,013.70 and 560,327.58

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Solution

The fourth proportional to 705,038.60, 972,013.70 and 560,327.58 is: 772,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,038.60 : 972,013.70 = 560,327.58 : x
  2. Step 2: Convert to fraction form
    705,038.60/972,013.70 = 560,327.58/x
  3. Step 3: Cross multiply
    705,038.60x = 972,013.70 × 560,327.58
  4. Step 4: Simplify right side
    705,038.60x = 544,646,085,648.67
  5. Step 5: Solve for x
    x = 544,646,085,648.67/705,038.60
  6. Step 6: Final answer
    x = 772,505.34

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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.