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Finding the Fourth Proportional to 703,723.61, 971,114.95 and 417,073.52

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Solution

The fourth proportional to 703,723.61, 971,114.95 and 417,073.52 is: 575,547.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,723.61 : 971,114.95 = 417,073.52 : x
  2. Step 2: Convert to fraction form
    703,723.61/971,114.95 = 417,073.52/x
  3. Step 3: Cross multiply
    703,723.61x = 971,114.95 × 417,073.52
  4. Step 4: Simplify right side
    703,723.61x = 405,026,330,521.12
  5. Step 5: Solve for x
    x = 405,026,330,521.12/703,723.61
  6. Step 6: Final answer
    x = 575,547.45

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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.